初三年级英语知识点总结1-4.doc

初三年级英语Unit1_知识点总结 1. by + doing 通过……方式　如：by studying with a group  by 还可以表示：“在…旁”、“靠近”、“在…期间”、“用、”“经过”、“乘车”等如：I live by the river. I have to go back by ten o’clock. The thief entered the room by the window. The student went to park by bus.2. talk about 谈论，议论，讨论　如：The students often talk about movie after class. 学生们常常在课后讨论电影。talk to sb. === talk with sb. 与某人说话3. 提建议的句子：  ①What/ how about +doing sth.? 如：What/ How about going shopping? ②Why don’t you + do sth.? 如：Why don’t you go shopping? ③Why not + do sth. ? 如：Why not go shopping?  ④Let’s + do sth. 如： Let’s go shopping ⑤Shall we/ I + do sth.? 如：Shall we/ I go shopping?4. a lot 许多 常用于句末 如：I eat a lot. 我吃了许多。 5. too…to 太…而不能 常用的句型 too+adj./adv. + to do sth. 如：I’m too tired to say anything. 我太累了，什么都不想说。6. aloud, loud与loudly的用法  三个词都与大声或响亮有关。 ①aloud是副词,重点在出声能让人听见,但声音不一定很大,常用在读书或说话上。通常放在动词之后。aloud没有比较级形式。如: He read the story aloud to his son.他朗读那篇故事给他儿子听。②loud可作形容词或副词。用作副词时,常与speak, talk, laugh等动词连用,多用于比较级,须放在动词之后。如: She told us to speak a little louder. 她让我们说大声一点。③loudly是副词,与loud同义,有时两者可替换使用,但往往含有令人讨厌或打扰别人的意思,可位于动词之前或之后。如: He does not talk loudly or laugh loudly in public. 他不当众大声谈笑。7. not …at all 一点也不 根本不 如： I like milk very much. I don’t like coffee at all. 我非常喜欢牛奶。我一点也不喜欢咖啡。 not经常可以和助动词结合在一起，at all 则放在句尾8. be / get excited about sth.=== be / get excited about doing sth. === be excited to do sth. 对…感兴奋 如： I am / get excited about going to Beijing.=== I am excited to go to Beijing. 我对去北京感到兴奋。9. ① end up doing sth 终止做某事，结束做某事 如：  The party ended up singing. 晚会以唱歌而结束。  ② end up with sth. 以…结束 如：  The party ended up with her singing. 晚会以她的歌唱而告终。10. first of all 首先. to begin with 一开始 later on 后来、随11. also 也、而且（用于肯定句）常在句子的中间  either 也（用于否定句）常在句末 too 也 (用于肯定句) 常在句末12. make mistakes 犯错 如：I often make mistakes. 我经常犯错。make a mistake 犯一个错误 如： I have made a mistake. 我已经犯了