八年级英语Chapter 1语法重难点复习

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　6. She has already written several successful computer games. 她已经写了几个很成功的电脑游戏了。
本句是现在完成时，现在完成时的构成：主语＋has/have＋动词的过去分词
　 already 已经：It is already past five o‘clock.
　 several 几个，后面要加可数名词：eg： he has several friends in the town.
　 successful （adj. ）成功的 eg： He is a successful man.
　　success （n. ）成功 successfully （adv. ）成功地
　　succeed （v. ）： 成功，到达，完成 succeed in sth. /doing sth.
　　Eg： He succeeded in the examination.
　7. We sell over half a million games every year. 我们每年销售超过50多万的游戏。
　　over 超过＝more than e.g. Over 700 students passed the exam.
　　million 百万 half a million 50万
　8. Wendy Wang， 15， must be one of the top students in Shanghai. 王温迪，15 岁，一定是上海尖子生之一。
　　must 表示推测，意为一定，一般用于肯定句，表示否定的推测用 can‘t 。
　　e.g. You must be tired after a long walk.
He may be in the classroom， I think.
No， he can‘t be in the classroom. I saw him go home a minute ago.
　9. I am not old enough to drive. 我还没到开车的年龄。
　　＝I am too young to drive.＝I am so young that I can‘t drive.
　　enough （adj. ）足够的，充足的，修饰名词时放在名词前
　　e.g. There is enough food for everyone.
　　enough （adv. ）足够地，充足地，放在形容词和副词后
　　e.g. He didn‘t run fast enough to catch the bus.
　10. The other students often ask me to assist them. 其他的学生们经常让我帮助他们。
　　ask sb. to do sth. 要求某人做某事
　　The teacher asks us to study hard.
　　assist 帮助，支援，协助
　　Tom has come to assist you.
　　assist＋名词/代词＋in / with
　　I assisted him in building the house.
　　Can I assist you with these parcels?
　11. Today my father and I were waiting for a ferry. 今天我和我的父亲在等渡船。

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www.yf1234.com 　　wait for 等候某人或某事物
　　He often reads newspaper while waiting for the bus.
　　We are waiting for the guests to arrive.
　　注意：你在等待什么？要用：What are you waiting for?
　12. What‘s going on? 发生了什么事？
　　＝What‘s up＝What‘s happening?
　　go on 发生
　　Nobody knows what is going on?
　　go on to do 继续做
　　Let‘s go on to learn Chapter 3.

四. 重点语法：
（一）不定冠词a/an的区别
　　a以辅音音素开头的单词前加，an 用在以元音音素开头的单词前，判断一个单词是元音开头还是辅音开头，要根据其读音而不是根据字母。
　　Eg： an honest boy， a useful book
There is an “ f “ in the word “ five “.

（二）第三人称单数形式：
在动词原形后加-s ： runs，likes
　　以ch，sh，s，o，x，结尾的动词，在词尾加-es ： teaches，washes，goes，passes
　　以辅音字母加y结尾的动词，先将y变i加-es ： studies，tries
　　以元音字母加y结尾的动词，在词尾加-s ： stays，plays

五. 动词过去式的变化：

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八年级英语Chapter 1语法重难点复习