九年级新目标英语知识要点1.doc

九年级英语 Unit1 ?现在完成时态⑴由 have/ has + 过去分词⑵表示过去发生或已经完成的某一动作对现在造成的影响或结果常与 already, just , yet , ever, never 连用 Have you finished your work yet ?你完成了你的工作了吗? Yes, I have. I have just finished it. 是的。我刚刚完成了。 I have already finished it. 我已经完成了。 Have you ever been to China? 你曾经去过中国吗? No, I have never been there. 没有,我从来也没有去过。⑶①表示过去已经开始,持续到现在的动作或状态和表示过去某一时刻延续到现在(包括现在在内)的一段时间的状态连用如:( for + 时间段, since + 时间点,或过去某一动作, 以及 how long ) ②注: 非延续性动词在现在完成时态中不能和 for, since 引导的表示一段时间的状语的肯定句连用。应转为相应的延续性动词如: buy---- have die---- be dead join ---- be in borrow----- keep leave---- be away I have bought a pen.------ I have had a pen for 2 weeks . The dog has died .------- The dog has been dead since last week . ⑷① have (has) been to+ 地点去过某地已经回来② have (has) gone to+ 地点去了某地没有回来③ have been in+ 地点一直呆在某地没有离开过如: She has been to Shanghai. 她去过上海。( 已经回来) She has gone to Shanghai. 她去了上海。( 没有回来) She has been in Shanghai for 2 days. 她呆上海两天了。( 没有离开过上海) ? how to swim 怎样游泳不定式与疑问词连用:动词不定式可以和 what, which, how, where, when 等引导的疑问句连用,构成不定式短语。如: The question is when to start . 问题是什么时候开始。 I don ’t know where to go. 我不知道去哪。?系动词不能独立作谓语, 要和表语一起构成谓语。常用的连系动词有: look, feel, be, e, get, turn, smell, taste, stay( 保持), kep t等。连系动词除 be和 e 等少数词可接名词作表语外,一般都是接形容词。如: They are very happy . He became a doctor two years ago. She felt very tired. ?词汇 1. different ly adv. different adj. 2. quick adj. quick ly adv. 3. slow adj. slow ly adv. 4. easy adj. eas ily adv. 5. friend n. 朋友 friend ship n. 友谊 6. important adj. 重要的 un important 不重要的 7. learn v. 学****learn er n. 学****者 8. impress v. 使感动 impress ed adj. 感动的 9. pron o un ce v. 发音 pronunc iation n. 发音 10. help v. 帮助 help ful adj. 有帮助的 11. scien ce n. 科学 scien tist n. 科学家 12. happy adj. 高兴的 un happy adj. 不高兴的 13. dis agree ment n. 不同意见 agree ment n. 同意 disagree v. 不同意 agree v. 同意?短语、句型 1. by doing 2. talk about, talk to, talk with 3. 提建议的句子 lot, a lot of, lots of 5. too … to… 6. aloud, loud, loudly 7. not … at all 8. be/ get excited about sth./ doing sth. 9. end up doing of all,