九年级。
review of units 1-5
必背巧记一览】
【单元知识精解】
1. it’s too hard to underestand the voices. 要听懂这些发音太难了。
点拨: too…to…意思是“太……而不能……;太……以致不能……”too为副词,用来修饰形容词或副词,to 后接动词原形,构成动词不定式结构,作结果状语。too前面加否定词时,表示肯定意义。
例如:the kid is too young to look after himself.
这个孩子太小了,不能照顾自己。
it’s never too late to learn.
活到老,学到老。
拓展:so…that…意思是“如此……以至于……”so后接形容词或副词,that后接否定句时,通常与too…to…或not…enough to do 句型转换;当that 后接肯定句时,通常与…enough to do 句型转换,意思是“足够……去做某事”。例如:
a. he is so young that he can’t go to school.
b. he is too young to go to school.
c. he isn’t old enough to go to school.
她太小了不能去上学。
2. …joining the english club at school was the best way to improve her english.
…在学校参加英语俱乐部是提高她的英语的最好办法。
点拨:动名词(动词-ing 形式)joining the english club 在句中作主语,其谓语动词用单数。例如:
watching tv too much is bad for your eyes.
看电视太多对你的眼睛不好。
拓展:动名词在句中还可以作宾语和表语等。如:
i enjoy playing tennis. 我喜欢打网球。
her job is sending letters.他的工作是送信。
3. these days, i hardly ever h**e time for concerts.
如今,我几乎没有时间去听**会。
点拨 hardly ever 意思是“几乎不”,相当于 almost never。如:
he hardly ever watches tv at night now.
他现在晚上几乎不看电视。
提醒:副词hard 的意思是“努力地”,而副词hardly 则表示“几乎不”,注意其含义的不同。如:
though he has studied hard at russian for five months, he can hardly speak it.
尽管他努力学习了五个月的俄语,但他还是几乎不会说。
4. it seems that yu mei has changed a lot.
玉梅似乎变化很大。
点拨:seem 是系动词,意思是“好像,似乎”。句中“it seems that + 从句”意思是“看来,似乎……”例如:
it seems that he likes pop songs.
他好像喜欢流行歌曲。
拓展:有关seem 其他常用的句型:
1) seem + to be) adj.“好像……,似乎……”如:
the children seemed very happy.
孩子们似乎很高兴。
your health seems to be better.
你的健康状况好像有所好转。
2) seem to do sth. “好像……,似乎……”如:
they seem to know the truth.
他们好像知道真相。
5. she also told me that even though my father was no langer with us….
他还告诉我尽管爸爸不再跟我们在一起……
点拨:even though 的意思是“尽管;即使;纵然”,引导让步状语从句,与even if 同义。它可以改成由but 引导到的并列句,但注意与but不能同时使用。如:
even though you don’t like the job,you h**e to do it well.
you don’t like the job, but you h**e to do it.
尽管你不喜欢这个工作,你也必须把它做好。
6. teenagers should be allowed to choose their own clothes.
应该允许青少年选择他们自己的衣服。
点拨:(1) allow 作动词,意思是“允许”常用于“allowed sb. to do sth.”结构,意思是允许某人做某事。如。
his parents allow him to go out with friends on weekends.
他父母允许他在周末与朋友一起外出。
2)should be allowed to do sth. 是含有情态动词(should)的被动结构,意思是“应该允许做某事”如:
we should be allowed to go to the party this weekend.
我们应该被允许参加这个周末的聚会。
3) should’t be allowed to do sth 意思是“不应该被允许做某事”。如:
you are so young .you should’t be allowed to drive.
你还很小,不应该被允许开车。
7. they talk instead of doing homework. 他们讲话而不是做作业。
点拨:instead of 是介词短语,意思是“代替;而不是”。后接名词﹑代词或v.-ing 形式。如:
he stayed at home instead of going to a movie.
他呆在家而没去看电影。
i want that book instead of this one.
我要那本书而不是这本。
拓展:instead 是副词,意思是“代替,相反”,常位于句首或句末,可不译出,与之相连的内容是要做或已做的事情。如:
she didn’t go to the she went shopping.
她没去图书馆,而是去购物了。
8. if i were you, i’d wear a shirt and tie.
如果我是你,我会穿衬衣打领带。
点拨:本句使用了虚拟语气,表示与现在事实相反,其结构为:if 引导的条件状语从句谓语动词的形式为动词的过去式(be一般用were);主句谓语动词的形式为would+动词原形。
如:if i were you, i would take a small present.
如果我是你的话,我就带上一个小礼物。
if i had a million dollars, i would give it to the poor.
如果我有一百万美元,我就会送给穷人。
9. what if everyone else brings a present? 要是其他人都带了礼物怎么办?
点拨:what if…? what shall we/i do if…?
意思是“如果/要是……怎么办?” 用来询问将来如果发生什么事(通常是令人不快或惊恐的事),我们/我该怎么办,其后引导带条件的疑问句。如:
what if he forgets to bring the book?
如果他忘记把书带来怎么办?
拓展:(1)what if …?还有“如果……怎么样?”的意思,常用来提出建议或邀请,或征求对方的意见。如:
what if you go instead of him?
要是你代替他去怎么样?
2)what if…? 也可表示“如果……又有什么关系?”如:
what if you don’t h**e money?
如果你没有钱又有什么关系呢?
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