(共39张PPT)
seem的用法
一
翻译句子
世界各地的许多人好像都喝中国茶。
____________________________________________________________
It seems that many people all over the world drink Chinese tea.
Jane seems worried.
简似乎很焦虑。
He seems to know the secret.
他似乎知道那个秘密。
It seems that he doesn't like swimming.
他似乎不喜欢游泳。
There seem to be many people on the playground.
操场上似乎有很多人。
It seemed like a good idea at that time.
当时这个主意好像不错。
decide的用法
二
用所给单词的适当形式填空
1.We decided not ________(go) hiking because it was snowing heavily.
2.Think twice before you make a ________(decide).
to go
decision
Tina has decided to go to Rome for her holidays.
蒂娜已经决定去罗马度假。
It was decided that four hospitals should be closed.
已决定要关闭四家医院。
I can't decide when to see the dentist.
我没法决定什么时候去看牙医。
【注意】decide的名词形式是decision,常构成make one's own decision“自己做决定”。decide (not) to do sth.相当于make a decision (not) to do sth.。
My father made a decision to buy a new computer.=
My father decided to buy a new computer.
我爸爸决定买一台新电脑。
try的用法
三
单词拼写
To go to my dream senior high school, I am t________ my best to study.
rying
—I usually go there by train.
我通常乘火车去那儿。
—Why not try going by boat for a change
为什么不试试乘船呢?
He tried to finish the work ahead of time.
他尽力提前完成这项工作。
【注意】try one's best to do sth.“竭尽全力做某事”。
I will try my best to finish the job on time.
我会尽全力按时完成这份工作。
wonder的用法
四
单项选择
(2022·广西贵港中考)—I wonder ________.
—I'm not sure. Maybe yes.
A.if has Dave got his driver's license
B.how long has Dave got his driver's license
C.if Dave has got his driver's license
D.how long Dave has got his driver's license
C
The Great Wall is one of the greatest wonders in the world.
长城是世界最伟大的奇迹之一。
I wonder what you call these flowers.
我想知道你们叫这些花什么。
I wonder if we could hold the evening party on time.
我想知道我们能不能准时开晚会。
辨析because与because of
五
选词填空
because because of
1.___________ too much traffic, I was late for the meeting.
2.—Why can't I go
—___________ you're not old enough.
Because of
Because
串联教材七年级上册Unit 9
① because是从属连词,引导原因状语从句,不与so连用。
② because of是介词短语,后接名词、代词或动名词短语。
They didn't go to the museum because it rained heavily.=
They didn't go to the museum because of the heavy rain.
因为下大雨,他们没有去博物馆。
enough的用法
六
完成句子
1.这个房间小得容不下这么多人。
The room isn't __________ ________ to hold so many people.
2.我们所需要的就是有足够的钱来继续我们的工作。
All we need is to have ________ money ________ go on with our work.
big/large enough
enough
to
There is enough food for everyone.
有足够每个人吃的食物。
The ice is thick enough to skate on.
冰层足够厚,可以滑冰。
【注意】
(1)enough可以与so... that...结构转换。
He is rich enough to buy a plane.(简单句)=
He is so rich that he can buy a plane.
他很有钱,可以买一架飞机。(结果状语从句)
(2)not enough可以与too... to...句型转换。
He is too young to go to school.
=He is not old enough to go to school.
他年龄不够大,不能去上学。
mind的用法
七
用所给单词的适当形式填空
—Mr. Chen, my kid is sleeping. Would you mind ________(turn)
down your radio
—Sorry. I'll do it at once.
turning
I don't mind the heat. In fact I quite like it.
我不介意炎热的天气,事实上我还挺喜欢的。
Do you mind being away from home for so long
你介意离家这么久吗?
Don't your parents mind you/your staying out so late?
你父母难道不在乎你在外面待到这么晚吗?
辨析win与beat
八
选词填空
beat won
Our basketball team ________ the team from No. 1 Middle School
and ________ the first prize.
beat
won
① win(won, won)表示“赢;赢得”,其宾语是表示比赛、奖品、游戏等内容的词语。win还可作不及物动词,后面不接宾语,表示“获胜”。
They did their best to win the medals.
他们尽了最大的努力去夺取奖牌。
串联教材八年级下册Unit 5
② beat(beat,beaten),常见用法如下:
a.意为“打败”,后常跟某人或某组织等;
He always beats me in tennis.
他打网球总是赢我。
b.还有“敲打;(心脏等)跳动”之意。
My heart is beating fast.
我的心脏跳得很快。
一、不定代词
(一)不定代词的定义:
不明确指代某个(些)人/事物的代词。
(二)不定代词的性质:
不定代词可以代替名词和形容词,没有主格和宾格之分,在句中可以作主语、宾语、表语和同位语。
(三)常见的易混不定代词有:
1.either与neither
either指两个人或物中的一个,作主语时,谓语动词用单数;neither指两个人或物中一个也不,作主语时,谓语动词常用单数。
Either is a good choice.
两者(任一个)都是一个不错的选择。
Neither of the books is good.这两本书都不好。
2.both与all
both“两者都”,其否定词是neither; all“(三者或三者以上)全都”,其否定词是none。
We are both students, but neither of us likes sports.我们俩都是学生,但是都不喜欢运动。
All students are here and none of them are late.
所有的学生都到齐了,没有人迟到。
3.some与any
相同点 不同点
some与any均表示“一些”,既可修饰可数名词,也可修饰不可数名词 some一般用于肯定句中;若要表示说话人希望得到肯定回答或表示请求、建议,疑问句中应用some
any多用于疑问句、否定句和条件句中;any用于肯定句时意为“任何一个”
—Would you like some coffee
你想要些咖啡吗?
—Yes, please.好的,谢谢。
There aren't any students in the classroom.
教室里没有学生。
4.a little, little, a few, few
单词/短语 含义 用法
a little 一点儿;少量 修饰不可数名词,表示肯定意义
little 几乎没有 修饰不可数名词,表示否定意义
a few 一些 修饰可数名词复数,表示肯定意义
few 几乎没有 修饰可数名词复数,表示否定意义
【助记】
5.other, the other, another, others, the others的用法
单词/短语 含义 用法
other 泛指其他的 跟单数或复数名词
the other ①两个人或物中的另一个
②另一些(表示特定范围中的剩余的全部) 常构成one... the other...
another 另一个 跟单数名词,或跟“基数词+名词复数”
others 泛指另外的人或物 后不能再加名词
the others 特指一定范围中的其他所有 相当于the rest或“the other+名词复数”
6.复合不定代词
somebody某人 anybody任何人
nobody没有人 everybody每个人
someone某人 anyone任何人
no one没有人 everyone每人
something某事 anything任何事
nothing没有什么 everything每件事
【注意】不定代词的特殊用法
(1)当形容词或else修饰不定代词时,不定代词总是位于修饰词的前面。
There is nothing new in his speech.
在他的演讲中没有新内容。
(2)当复合不定代词作主语时,谓语动词用单数形式。
二、频度副词
1.含义:频度副词是表示某事发生频率的副词,即用来表示某事在一段时间内所发生的次数。
2.用法:
表示不具体
的频度副词 某些频度副词不表示具体的频率、次数,但有其特殊的意义。常见的这类频度副词及表示的频率高低为:
always(100%),usually(90%),often(60%), sometimes(40%), seldom(20%), hardly ever(5%), never(0%)
表示具体的
频度副词 once(一次),twice(两次)都用具体特定的单词表示,三次及三次以上用“基数词+times”表示
频度副词
的位置 一般位于实义动词之前,系动词、助动词或情态动词之后
对频度
副词提问 对频度副词提问通常用“how often”,意为“多久一次”
【助记】频度副词的位置
行前系后情助后,句首句末表强调。
He is always thinking of others.
他总是为他人着想。
He doesn't often go shopping.他并不经常购物。
We have meals three times a day.
我们一天吃三顿饭。
—How often does he have a piano lesson
他多久上一次钢琴课?
—Once a week.一周一次。(共23张PPT)
similar的用法
一
1.单词拼写
Your watch is very nice. It's s________ to mine.
2.用适当的介词填空
His opinions are similar ________ yours but different ________ Julia's.
imilar
to
from
Your handwriting is similar to his.
你的笔迹和他的非常相似。
They are similar in personalities.
他们的性格相似。
【拓展】
串联教材八年级下册Unit 2
(1)take after指“在(相貌、体格、性情等方面)像(父母等);与……相像”,多指遗传。
(2)look like指“看上去;看起来像”,多用于问句,询问外表长相。
辨析information, news与message
二
单词拼写
1.Mike is not here at the moment. Can I take a ________(消息)
2.Make your assignment better by adding some more __________(信息).
message
information
① information“信息;消息”,不可数名词,通常指在阅读、观察、谈话或书信往来中特别关注的消息、情报、资料等。
串联教材八年级上册Unit 5
② news“新闻”,不可数名词,指公众感兴趣的、近来发生的事情,尤其指通过广播、电视、网络等报道的事件。
串联教材七年级下册Unit 7
③ message“信息;消息”,可数名词,一般指口头传递或书写的“音信,消息”,常用于短语take a message。
询问看法的句型
三
根据答语补全问句
—_____________________ your junior high school life
—I think it is enjoyable though I sometimes have some trouble in study.
What do you think of
【拓展】回答此类句型时,多阐明自己的看法或表明自己喜欢的程度。常会用到下面的句型:主语+love(s)/like(s)/don't(doesn't) like/can't stand+宾语,或者Sounds great./Pretty good./It's fantastic.等。
辨析such as与for example
四
选词填空
such as for example
1.Traditional cultures ________ Chinese knot, Chinese paper cutting
and Chinese opera are deeply loved by students.
2.You should treat your eyes correctly. ___________, if you get something
in your eye, don't start rubbing(揉) it.
such as
For example
短语 含义及用法
such as “例如;像……这样”,用来列举同类人或物中的几个例子,常置于句中
for example “例如”,一般只列举同类人或物中的一个,作插入语,用逗号隔开,可置于句首、句中、句末
China has many big cities such as Beijing, Shanghai, Shenzhen and so on.
中国有许多的大城市,如北京、上海、深圳等。
Noise, for example, is a kind of pollution.
例如,噪音是一种污染。
形容词和副词的比较等级
做考查比较等级的试题时,应首先分析句中是否有关键词(如than通常是比较级的标志词,one of...通常是最高级的标志,as...as通常是原级的标志等),再根据标志词确定使用形容词或副词的哪种形式。若题干中没有标志词,则需要结合语境来判断使用哪种形式。此外,还应注意比较等级的特殊句型或结构,如“the+比较级,the+比较级”“比较级+and+比较级”等。
1.形容词和副词原级的用法
(1)肯定句:“A+be动词+as+adj./adv.+as+B”,表示“A和B一样……”。
Sally is as old as my sister.
萨莉和我妹妹年龄一样大。
(2)否定句:“A+be动词+not+as/so+adj./adv.+as+B”表示“A不如B……”。
Math is not as/so difficult as English.
数学不如英语难。
【注意】
①若第一个as/so后有形容词作定语修饰名词,应将该名词及有关修饰语放在第一个as/so之后。
Bob is as good a player as his brother.
鲍勃像他哥哥一样是个优秀的运动员。
②very, too, so, quite等程度副词只修饰原级,不能修饰形容词比较级和最高级。
(3)表示“A是B的几倍”时, 用“A+动词+倍数+as+adj./adv.+as+B”结构(一倍:once, 两倍:twice,三倍及以上:基数词+times)。
The plane flies ten times as high as the kite.
飞机的飞行高度是风筝的十倍。
2.形容词和副词比较等级的变化规则
(1)规则变化
类别 构成方法 原级 比较级 最高级
单音节
词和少
数双音
节词 一般在词尾直接加 er, est long
fast longer
faster longest
fastest
以不发音的字母e结尾时,在词尾加 r, st late
large later
larger latest
largest
以辅音字母加y结尾时,变y为i,再加 er, est lazy
easy
happy lazier
easier
happier laziest
easiest
happiest
以重读闭音节结尾且词尾只有一个辅音字母时,双写该辅音字母,再加 er, est big
thin bigger
thinner biggest
thinnest
多音节
词和部
分双音
节词 在原级前
加more,
most careful
important more careful
more important most careful
most__important
(2)不规则变化
原级 比较级 最高级
good/well better best
ill/bad/badly worse worst
many/much more most
little less least
far farther/further farthest/furthest
old older/elder oldest/eldest
3.形容词和副词比较级的用法
(1)much, even, far, a little, a bit, a lot等修饰形容词或副词的比较级。
It is even colder today.今天甚至更冷了。
(2)比较级的常见结构如下:
①“A+be动词/实义动词+比较级+than+B”表示“A比B……”(注意比较的对象要一致)。
The blue cup is bigger than the green one.
蓝色的杯子比绿色的杯子大。
②“Which/Who+be动词/实义动词+比较级,A or B?”表示“A、B两者中哪一个/谁更……?”。
Who is taller, you or Tom?你和汤姆谁更高?
③“the+比较级+of the two...”表示两者之间“比较……的一个”。
He is the thinner of the two.
他是两个中较瘦的那个。
④“比较级+and+比较级/more and more+多音节形容词/副词原级”表示“越来越……”。
This song is becoming more and more popular.
这首歌变得越来越受欢迎了。
⑤“the+比较级, the +比较级”表示“越……就越……”。
The harder we study, the better results we'll get.
我们学习越努力,取得的成绩就越好。
⑥“A+be动词/实义动词+倍数+比较级+than+B”表示“A是B的……倍”。
This box is three times bigger than that box.
这个盒子是那个盒子的三倍大。
⑦“A+be动词/实义动词+比较级+than+any other+可数名词单数”或“A+be动词/实义动词+比较级+than+the other+可数名词复数”表示“A比其他任何一个都……”(比较级结构表示最高级含义)。
He is taller than any other boy in his class.=
He is taller than the other boys in his class.
他比他班里的其他任何一个男孩都高。
4.形容词和副词最高级的用法
(1)“主语+be动词/实义动词+(the)最高级+of/in+比较范围”表示“三者或三者以上的人或物进行比较”。
Jane has the longest hair in her class.
简的头发在她班里最长。
(2)“A+be动词/实义动词+one of the+最高级+可数名词复数”表示“A是最……之一”。
Shanghai is one of the most famous cities in China.
上海是中国最著名的城市之一。
(3)“A+be动词/实义动词+the+序数词+最高级+名词+范围”表示“A是……中第……的……”。
The Yellow River is the second longest river in China. 黄河是中国第二长河。
(4)“Which/Who+动词+(the)最高级,A,B or C?”表示在三者或三者以上的人或物中进行选择。
Who runs the fastest, Tom, Kate or Bill
汤姆、凯特和比尔,谁跑得最快?
【注意】
①形容词最高级前必须加定冠词the, 副词最高级前可以不用加the。
This picture is the best of all.
这幅画是所有画中最好的。
He draws (the) most wonderfully.他画得最好。
②形容词最高级前面有物主代词、指示代词、名词所有格等修饰时, 不再加定冠词the。
She is my best friend.她是我最好的朋友。(共24张PPT)
hope的用法
一
用所给单词的适当形式填空
You need to practise speaking every day if you hope __________(improve)
your spoken English.
to improve
I hope to have a wonderful weekend.
我希望能过一个愉快的周末。
He hopes that you're safe.他希望你平安。
The girl hopes for love.
这个女孩希望得到爱。
【拓展】与hope有关的单词:hopeful有希望的;hopeless无望的。
find out的用法
二
完成句子
Pan Jianwei has become a famous scientist. When he was a child,
he liked to ________ ________(查明) how things worked.
find out
① find out意为“查明;弄清”,指通过分析、询问、思考等弄清楚、查明白。
Please find out where they live.
请查清他们住哪儿。
串联教材七年级上册Unit 3
② find意为“找到;发现”,宾语是丢失的人或物,强调找的结果。
I can't find the key.我找不到钥匙了。
③ look for意为“寻找;寻求”,指有目的地找,强调找的过程,但不一定找到。
I'm looking for Steve. Have you seen him
我在找史蒂夫。你见过他吗?
happen的用法
三
完成句子
当不好的事情发生在我们身上时,我们应该勇敢地面对它。
When something bad ____________ ____ us, we should face it bravely.
happens to
Earthquakes often happen in this country.
这个国家经常发生地震。
Traffic accidents usually happen to the passengers who don't follow the traffic rules.
不遵守交通规则的行人通常会发生交通事故。
An old man happened to see the accident.=
It happened that an old man saw the accident.
一位老人碰巧见证了这次意外事故。
【拓展】
① happen用于偶然或突发性事件。
串联教材九年级Unit 6
② take place指事件的发生有提前安排。
famous的用法
四
1.完成句子
安溪和杭州因为茶被广为所知。
Anxi and Hangzhou are ___________ _____ their tea.
2.用适当的介词填空
Yang Liping is famous ________ a great dancer in the world.
famous for
as
This place is famous for its cotton.
这个地方因棉花而出名。
She is famous as both a teacher and a researcher.
她作为教师和研究者而闻名。
短语 含义 用法
be famous for 因为……而出名 后接闻名的原因,与be known for同义
be famous as 作为……而闻名 后接表示职位、名称等的名词,与be known as同义
辨析expect, wish, hope与look forward to
五
翻译句子
1.她期待和她同学友好相处。(expect)
__________________________________________________________
2.他们正期待着高中的新生活。(look)
They ________ ________ ________ ________ the new life of senior
high school.
She expects to get along/on well with her classmates.
are looking forward to
① expect意为“预料,期待,认为某事会发生”。常见搭配:
a.expect (sb.) to do sth.期望(某人)做某事
b.expect+that... 期望……
c.be expected to do sth.被期待/应该做某事
串联教材七年级下册Unit 6
② wish意为“希望”,后接从句时,从句常用虚拟语气,侧重不太可能实现的愿望。常见搭配:
a.wish sb. sth.祝愿某人某事
b.wish (sb.) to do sth.希望(某人)做某事
c.wish+从句 希望……
③ hope意为“希望”,更多地表达一种情感。常见搭配:
a.hope to do sth.希望做某事
b.hope+that... 希望……
串联教材八年级下册Unit 9
④ look forward to意为“盼望,期待”,常用于表达期望或向往某物或做某事。常见搭配:
a.look forward to sth.期待某物
b.look forward to doing sth.期待做某事
promise的用法
六
单词拼写
—Jack, let's have a picnic after school.
—Sorry. I have __________(许诺) to work on the biology report with
Frank.
promised
辨析across, over, through与past
七
用适当的介词填空
1.It took us over an hour to walk ________ this street.
2.—Look, there is a cute bird.
—It flew into our kitchen ________ the window just now.
across
through
① across强调从某个平面的一边到另一边。
串联教材七年级下册Unit 5
② over侧重越过某种障碍物,如山脉、墙等。
串联教材七年级下册Unit 10
③ through指从空间内部穿过。
④ past指从旁边经过,路过。
The Great Wall winds its way from west to east, across deserts, over mountains, through valleys until at last it reaches the sea.
长城从西向东,蜿蜒前进,横穿沙漠,越过高山,穿过山谷,最后到达大海。
【助记】
一般将来时
1.结构:
(1)主语+am/is/are going to+动词原形+其他,表示打算、计划、愿意做某事,也可用来表示自然现象。
(2)主语+will/shall+动词原形+其他,表示对未来的事实或将来的预测。
2.用法:
(1)be going to+动词原形,表示计划、打算做某事,表示已决定的、很可能发生的事,或有某种迹象表明要发生的事。
What are you going to do next Sunday
下周日你打算做什么?
(2)表示将来某个时间将要发生的动作或存在的状态,常见的时间标志词有:tonight, tomorrow, soon, next week/month, in the future, in a week, in+将来的年份,for+一段时间等。
He will travel to Scotland next week.
他下周要去苏格兰旅游。
I am going to stay for a week.
我打算待一个星期。
(3)祈使句+and/or+含有将来时的句子。
Hurry up, or we will miss the bus.
快点儿,否则我们会错过公交车。
(4)“be about to +动词原形”和“be to+动词原形”结构,表示即将发生的动作。
The train is about to start.
火车马上就要发车了。(共24张PPT)
turn on的用法
一
用适当的介词填空
1.We should turn ________ the lights when leaving the classroom.
2.It is getting dark. Shall I turn ________ the light
off
on
(1)turn on指打开(电灯、电视、收音机等),反义词组为turn off。
(2)turn on为“动词+副词”构成的短语。当宾语为代词时,将其放在短语中间;当宾语为名词时,可将其置于短语后面或短语中间。
Please turn off the TV. It's time to go to bed.
请把电视关上。到睡觉的时间了。
【拓展】open/close“开/关”后面接门、窗、箱、盒等宾语。
Please open the window and let the fresh air in.
请打开窗户,让新鲜空气进来。
fill的用法
二
1.用所给单词的适当形式填空
—Mom, I feel a little bit hungry now.
—These cakes are ________ (fill) with chocolate. Have some, please.
2.完成句子
圣诞老人的袋子里装满了神奇的礼物。
Father Christmas's bag ________ ________ ________ magical gifts.
filled
is filled with/is full of
fill作动词,意为“(使)充满;装满”,常与with连用构成短语fill...with...意为“用……把……填满”。
【辨析】be filled with与be full of
① be filled with是fill... with...的被动语态,表示“被……充满/装满”。
串联教材八年级下册Unit 8
② be full of意为“充满;装满”,强调状态。主语可以是人,也可以是物。
prepare的用法
三
完成句子
当学校全力备战新学期时,他们发现了一种新的教学方式:直播。
When schools tried their best to ___________ _____ the new term,
they found a new way of teaching: live streaming.
prepare for
My mother is preparing for my birthday dinner.
我的妈妈正在为我的生日晚宴做准备。
I was preparing to leave.
我正准备离开。
I was not prepared for all the problems it caused.
我对这件事引起的诸多麻烦毫无防备。
辨析until与not... until...
四
1.用适当的连词填空
—It's too late. I have to go now.
—Oh, it's raining heavily outside. You'd better wait here ________ it stops.
2.完成句子
那个一脸焦虑的孩子直到临近开学才开始写作业。
The child __________ looks anxious ________ ________ doing his homework
________ the day before the new semester.
until
who/that
didn't start
until
(1)until“直到……为止”,主句的谓语动词通常为延续性动词。not... until...“直到……才……”,主句的谓语动词通常为非延续性动词。
He worked until 11:30 p.m.
他一直工作到晚上11:30。
He did not go to bed until 11:30 p.m.
他直到晚上11:30才去睡觉。
(2)until用作连词引导时间状语从句时,从句表示的动作如果还没有发生,习惯上也要用一般现在时而不用一般将来时,也就是说当主句用一般将来时(或主句是祈使句)时,until引导的时间状语从句要用一般现在时。
Don't leave until we come back.
在我们回来之前,不要离开。
invite的用法
五
用所给单词的适当形式填空
Last week Professor Li was invited ________(make) a speech.
to make
They've invited us to stay for the weekend.
他们已邀请我们留下来过周末。
Jim invited his friends to his house.
吉姆邀请了他的朋友们去他家。
用法 含义
invite sb. to do sth. 邀请某人做某事
invite sb. to+某地 邀请某人到某处
【拓展】invite的名词形式为invitation, 意为“邀请;请柬”,常用作可数名词,常用搭配如下:
make/accept an invitation发出/接受邀请
turn down an invitation拒绝邀请
an invitation to sth.某事的邀请
辨析receive与accept
六
选词填空
received accepted
1.Professor Chen Wei has ________ so much public praise these days.
2.They offered her a job, and she ________ it without hesitation.
received
accepted
① receive作动词,意为“接收;收到”,指收到某物这一动作,本身有一定的被动性,不包含本身是否愿意接受的意思。
② accept作动词,意为“接受”,指经过考虑,由主观意志来决定接受,动作者本身是主动的。
He couldn't accept our suggestions but received our gifts.
他不能接受我们的建议但接收了我们的礼品。
She received his present, but she didn't accept it.
她收到了他的礼物,但是她没有接受。
experience的用法
七
单词拼写
Schools can also hold activities to give students real world work
__________(经历).
experiences
Experience is the best teacher.
经验是最好的老师。
I had a similar experience last year.
我去年有相似的经历。
Everyone experiences these problems at some time in their lives.
每个人在人生的某个阶段都会经历这些问题。
辨析answer与reply
八
单词拼写
1.I asked Jack what he ate for breakfast, but he didn't r________.
2.I knocked on the door but nobody a________.
eply
nswered
串联教材七年级下册Unit 10
① answer指回答问题或作出应答,还可以用于answer the phone接电话,the answer to the question这个问题的答案。
② reply指经过考虑作出的较正式的答复,后接宾语时,宾语前加to,如reply to the letter回信。
【注意】answer和reply都可作名词,都与介词to搭配使用,如the answer to the question, the reply to the letter。
状语从句
1.常见状语从句及其引导词
分类 引导词
时间状语从句 as当……时; before在……之前; since自从; until/till直到……; while正当……时; as soon as一……就……; after在……之后; when当……的时候
条件状语从句 if如果; unless除非,如果不; as long as只要
让步状语从句 though虽然; although尽管; even though/even if即使
原因状语从句 because因为; as由于; since既然
2.时态
(1)主将从现:在时间状语从句、条件状语从句中,若主句为一般将来时,从句用一般现在时表示将来。
①引导时间状语从句:when, while, after, before, until, as soon as, once等。例如:
I'll call you as soon as I get to Beijing.
我一到北京就给你打电话。
②引导条件状语从句:if, unless, as long as, in case等。
If my mother allows me to go to the party, I will be very happy.如果我妈妈允许我参加聚会,我会非常开心。
(2)主祈从现:若主句是祈使句,或主句中有情态动词,那么从句用一般现在时表示将来。
Be careful when you cross the road.
当你过马路时要小心。
You can stay for the weekend if you like.
你如果愿意就留在这里过周末吧。
(3)since引导的时间状语从句,主句用现在完成时,从句用一般过去时。
Our English teacher has worked in this school since she graduated from Peking University.
从北京大学毕业后,我们的英语老师就在这所学校上班。