中小学教育资源及组卷应用平台
Unit 1 Cinderella
语法精讲精练 (含答案)
why引导的特殊疑问句及其答语
why是特殊疑问词,一般位于句首,意为“为什么”,用来询问发生某事或存在某种情况的原因。
why引导的特殊疑问句句型结构
why引导的特殊疑问句句型结构为“Why+一般疑问句?”,答语为“Because+陈述句。”如:--Why are you so happy 你为什么这么高兴?
--Because today is my birthday.因为今天是我的生日。
why引导的特殊疑问句还有一种句型结构为
“Why don't/doesn't/can't/be not+主语+..?”,意为“…为什么不…呢?”
why后也可以直接加not,结构为“Why not+动词原形+...?”,表示请求、询问或建议。
当询问的对象是对方时,“Why not do sth. ”=“Why don't you do sth. ”。如:
Why not have a try =Why don't you have a try 你为什么不试一试呢?
because和because of
两者都可以用来回答发生某一事情或存在某一情况的原因,意为“因为…”。
because是连词,后面接句子;
because of是复合介词,后面接名词、代词或动名词(短语)。
如:I take off the coat because I feel hot.我脱掉外套是因为我感觉热。
I like spring because it's beautiful with trees and flowers.
我喜欢春天是因为它有树和花,很美丽。
She doesn't go to school because of illness(生病).她因病没去上学。
拓展:特殊疑问词的用法
特殊疑问词可分为疑问代词(what, who, whom, whose, which)、疑问副词(where, why, when, how)及特殊疑问词组。
疑问词 中文意思 用法 疑问词 中文意思 用法
why 为什么 问原因 How far 多远 问路程
when 什么时候 问世间 How many 多少 问数量
who 谁 问人 How much 多少;多少钱 问数量或价钱
whose 谁的 问主人 How about 怎么样 问意见
which 哪个,哪些 问选择 What colour 什么颜色 问颜色
where 在哪里 问地点 What about 怎么样 问意见
what 什么 问事物 What day 星期几 问星期
how 怎样 问情况 What time 什么时间 问时间
How old 几岁 问年龄 What for 为何目的 问目的
专项练习
一、根据中文提示完成句子或对话。
1.我如此高兴是因为那本故事书。
I am happy that .
2.你看上去很渴。为什么不喝些水呢?
You look so . you drink some water
3.--你为什么喜欢狗? --因为它们很可爱。
-- you like dogs
-- they are very lovely.
二、匹配题(填序号)。
( )1.Why do you wait here a.Because I study hard.
( )2.Why is Lucy so tired today b.Because I make a new friend.
( )3.Why do you like books c.Because it's Monday.
( )4.Why do you find exams easy d.Because you didn't bring a map!
( )5.Why are you so happy e.Because it's my favourite food.
( )6.Why is the museum closed f.Because I'm going to meet Alice here.
( )7.Why do you eat pizza so often g.Because I enjoy reading
( )8.Why are we lost h.Because she didn't sleep well last night.
三、用适当的疑问词填空。
-- shirt do you like, the blue one or the white one --The blue one.
-- is your sister --She is fine.
-- is your father --He’s a doctor.
-- is it today --It’s Tuesday.
-- shoes are they --They are Lily’s.
-- is your new bag --It’s yellow.
-- is your sister --She’s six.
-- do you take off your coat --Because I feel hot.
动词第三人称单数形式变化规则
在一般现在时的句子中,当主语是第三人称单数时,其谓语动词也要用第三人称单数形式。动词第三人称单数形式的变化规则及其发音如下所示:
一般情况下,直接在动词词尾加-s。
在清辅音后,s发/s/音。如:pick→picks drink→drinks
在浊辅音或元音后,s发/z/音。如:clean→cleans see→sees
以s,x,ch,sh,o结尾的动词,在词尾加-es。
es发/ z/或者/z/音。如:pass→passes fix→fixes teach→teaches push→pushes go→goes
以辅音字母加y结尾的动词,先变y为i,再加-s。
es发/ z/或/z/音。如:try→tries carry→carries cry→cries fly→flies
以元音字母(a,e,i, o,u)加y结尾的动词,直接在词尾加-s。
s发/z/音。如:play→plays
不规则变化,需特殊记忆。如:have→has
专项练习
一、判断下列单词画线部分发音是否一致,一致的写“S”,不一致的写“D”
( )1.takes cars leaves keys
( )2.catches boxes fixes pushes
( )3.this is yes spot
( )4.has does bees mushrooms
( )5.finds reads looks hands
二、用所给词的适当形式填空。
1.Cinderella (try) on the shoe. It (fit)!
2.My brother (not like) milk at all.
3.The student often (do) his homework in the evening.
4.The Greens often (carry) water for the old lady.
5.The child (watch) TV every evening.
6. Tim (get) to school at 7:30 every day
7.They (begin) their lesson at seven thirty in the morning.
8.The woman (take) a walk after supper every day.
9.Mrs Tang always (worry) about her son because he doesn't like studying.
10.--What your uncle in your school
--He English.(teach)
三、根据中文提示完成句子。
1.这鸡汤闻起来很香。
The very nice.
2.一只猫从房子里跑出去了。
A cat of the .
3.他们开始了比赛。约翰获胜了。
They the match. John .
4.他通常在晚饭后洗碗和刷牙。
He usually the and his after dinner.
5.博比大喊并且把害虫赶跑了。
Bobby and the pests .
6.刘涛经常在周末看电视和读书。
Liu Tao TV and .
参考答案1
一、1.so happy, because of, book
2.thirsty, Why don’t
3.Why do, Because
二、f h g a b c e d
三、1.Why, happy, Because 2.tired, Why not 3.Why not 4.Why, do, Because
四、1.Which 2.How 3.What 4.What day 5.Whose 6.What colour
7.How old 8.Why
参考答案2
一、D S D D D
二、1.tries, fits 2.doesn’t like 3.does 4.carry 5.watches 6.Does, get 7.begin 8.takes 9.worries 10.does, teach, teaches
三、1.chicken soup smells 2.out of, house 3.start, wins
4.wash, dishes, brush, teeth 5.shouts, dives, away
6.often watches, reads books on weekends.
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