课件32张PPT。Language pointsThe People’s Republic of China was
founded on … found v. 创立；创建
Our goal is to?found?a school for the deaf.
我们的目标是创办一所聋哑人学校。
Her family founded the college in 1895.
她的家庭于1895年创办了这所学院。found表示“建立，创立”，它的过去式和过去分词都加ed。
find表示“找到”，它的过去式和过去分词为found。Tips
— Do you believe there are aliens?
— I’m afraid not. I don’t think aliens
_______ in space.
A. can find B. can be found
C. can be founded D. can’t be foundBThe People’s Republic of China ______ on October 1, 1949. A. found B. was founded
C. is founded D. was foundB build, found, set up这些动词均有“建设，建立，建造”之意。
build普通用词，含义广泛，可指一切具体或抽象的建造或建立。
found侧重打下基础或创办，具体或抽象事物均可用。
set up作“建立”用时，侧重于“开始”，可指具体或抽象的建立。知识拓展 since then 从那以后；从那时起 I have not seen him since then.
从那以后我再也没见过他。
She’s been studying hard since then.
打那儿起，她就用心念书了。2. People have celebrated the National Day
since then. since prep. 自从
I have lived here?since?January. ??
自一月份以来，我一直住在这里。
He’s been working in a bank?since?leaving school. ??
自从毕业后，他就一直在一家银行工作。知识拓展Tips since所表示的时间往往是从过去某一点时间一直延续到说话的时间，因而一般与完成时态连用。We have been expecting Rio 2016 Olympics _______ the Olympic flame(圣火) was lit. (2016济宁)
A. if B. unless
C. since D. though中考链接CDaming hasn’t done much exercise _______ he got his computer. (2016大庆)
A. when B. if
C. though D. since DMiss Lin has taught us English _____ we came to this school. （2015重庆B卷）
A. for B. since
C. before D. whenB(2013 湖北十堰) I’m looking after Tom today. He’s been in my house _______ 8:00 this morning.
A. at B. for C. since D. tillC— How long have you lived in the new flat?
— ________ 2010. (2013 江苏扬州)
A. In B. After
C. Since D. Before C【解析】考查介词的用法。选项中“in+年份”表示在某一年； “after+年份”表示在某一年 之后； “since+年份”表示自从某一年开始； “before+年份”表示在某一年之前，而根据上句 时态为现在完成时，故选C。 since, after, in这三个介词都可指示时间关系，表示“在……之后”。其区别是：
after可表示从过去时间算起的一段时间之后，往往与过去时态连用（若接表示时间点的词，也可与将来时态连用）；
in则表示从现在时间算起推移到将来的一段时间之后，一般与将来时态连用；
since所表示的时间往往是从过去某一点时间一直延续到说话的时间，因而一般与完成时态连用。3. … and will stay there until the end of the holiday.??
until prep. 直到 ......为止；在......以前
We did not notice this matter?until?yesterday.
直到昨天我们才注意到这件事。
She can’t leave?until?Friday.
在星期五之前她不能离开。
until now 迄今
until then 到那时 I didn’t wake up?until?I heard the alarm clock.
直到听到闹钟的铃声我才醒来。
I was in the dark about it?until?she told me.
这件事在她告诉我之前，我毫不知情。 until conj. 直到 ......为止；在......之前； 直到......的程度— Mom, could I watch the game show now?
— Sorry, you can’t watch it _______ you clean your room. (资阳2016)
A. when B. if
C. after D. untilD中考链接Jenny didn’t go to bed _______ her mother came home last night. (南充2016)
A. as soon as B. if
C. while D. untilDOur Chinese teacher didn’t go to bed______ he finished his work last night. (重庆2016)
A. if B. until
C. since D. becauseBSome people won’t realize the importance of their health _____ they have lost it.
（2015自贡）
A. when B. until C. afterBJulie didn’t leave her office _____ the police arrived. （2015重庆A/C卷）
A. however B. whenever
C. while D. untilD－Excuse me, may I come in? －Not yet. Please wait on your chair _____ your name is called. （2015呼和浩特）
A. and B. until
C. after D. sinceB4. …, but we only have one day off. off adv.不上课；休息；不工作Can I have a day off?
我可以请一天假吗？
I’m off tomorrow.
我明天不上班。
I’m going to have some time off.
我准备休一段时间假。词组短语break off 断绝 突然停止 中断
drop off 减弱 下车 入睡
call off 放弃 取消 叫走
cut off 切断 隔离
get off 下车 脱离 离开
pay off 付清 还清5. It’s the start of the vacation season … vacation n. 假期；假日 I was on?vacation?last week and didn't receive your fax.
上星期我正在度假，没收到你们的传真。
Where are you spending the?vacation?
你去哪儿度假？take a vacation表示“去度假”
He will take a vacation next week.
他下周将去度假。
You look tired ─ you should take a vacation.
你看上去很累，应该休假了。during a vacation? 在休假期间
be away for the vacation? 在外度假
in the vacation? 在假期中
on vacation? 在度假相关拓展：festival、holiday、vacation的区别festival: “节日”，指喜庆的日子或持续一段时间的文娱活动。
holiday: “假日、休息日”，指法定假日或风俗习惯，复数可以表示一个较长的假期。
vacation: “假期”，指学习或工作中一段长时间的休息。知识拓展6. And is there anything special on that day? anything special 特别的事
用形容词修饰不定代词或不定副词时，形容词要放在不定代词或不定副词的后面，如anything special, somewhere interesting。
Don’t do anything stupid.
不要做傻事。7. Kids have great fun.have fun 意为“玩得高兴、玩得愉快”，相当于enjoy oneself和have a good time。
You’ll sure to?have fun?at the party tonight.
你在今晚的晚会上一定会玩得很开心。have fun后跟动词时，要用v-ing形式。
The children?have fun?(in) playing hide-and-seek.??
孩子们从捉迷藏中找到了乐趣。
Did you have fun camping?
你们野营愉快吗？8. And my family always go somewhere interesting as soon as the holiday begins. as soon as 一……就……
I’ll write you?as soon as?I get there.
我一到那儿，就给你写信。
As soon as?his father went out, the boy ran to the cinema.
爸爸刚出门，那男孩就跑向电影院。你一到长沙就给我打个电话好吗？
Will you please call me ______ ______ ______ you ______ Changsha?as soon asreach
我一收到你的来信就会打电话给你。（as soon as, hear from）I will ring you up / call you up as soon as I hear from you.
