DOC《九年级英语（仁爱版）上册语言点归纳》

又 ;

as well 多用于口语,只用于句末,不用逗号隔开;

too 多用于口语,用于句末,要用逗号隔开;

also 较正式,不用于句末;

either 用于否定句,表 也不 ,与too 对应. 如: He likes sports as well. = He likes sports, too. = He also likes sports. 他也喜欢运动. He didn'

t come, either. 他也没来.

五、重点语法

(一)现在完成时:表示过去已经发生或已经完成的某一动作对现在造成的影响或结果. 即 过去的动作 + 现在的结果 , 强调结果.如: I have bought a new bike. (= I bought a new bike, and I have a new bike now.) 我已经买了一辆新的自行车.(强调我现在有了一辆新车.) 构成形式: 助动词have / has + 动词的过去分词 1.肯定句: I have seen the film.我已经看过这部电影. 否定句: I haven'

t seen the film. 我没看过这部电影. 一般疑问句: Have you seen the film? 你看过这部电影了吗? 回答: Yes, I have. 是的,我看过了. No, I haven'

t. 不,我没看过. 特殊疑问句: What have you done?你已经做了什么? 2.肯定句: He has finished the task. 他已经完成了任务. 否定句: He hasn'

t finished the task. 他还没有完成任务. 一般疑问句: Has he finished the task? 他已经完成任务了吗? 回答: Yes, he has. 是的,他完成了. No, he hasn'

t. 不,他没有完成. 特殊疑问句: What has he finished?他完成了什么?

(二)have/ has been to与have/ has gone to have/ has been to + 某地, 到过某地,说话时人已经回来了. have /has gone to + 某地, 说明去了某地, 说话时人还没回来. 如: I have been to Beijing twice. 他去过北京两次. ---- Where is Jim? 吉姆在哪儿? ---- He has gone to the library? 他去图书馆了. Topic

2 What has happened to the population?

一、重点词汇

(一)词形转换 1. possible (反义词) impossible 2. rise (过去分词) rose 3. conclude (名词) conclusion 4. medicine (形容词) medical 5. difficult (名词) difficulty 6. less (反义词) more 7. excellent (近义词) great/ good 8. different (名词) difference 9. come (过去式) came (过去分词) come 10. se........