九年级英语全册知识点Unit13 We are trying to.docx

九年级英语全册知识点Unit13 We are trying to.docx

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九年级英语全册知识点 Unit13 We are trying to 九年级英语全册知识点 Unit13 We are trying to 九年级英语全册知识点 Unit13 We are trying to save the earth! Section A 1.play a part in +n./pron./ving eg:I want to play a part in saving the earth. 2.cut down 动副短语cut 短语cut in 插嘴 cut off 切 断 cut up 切 碎cut out 删 除3.advantage 可数名词 have the advantage of 有……的有利条件 be to... advantage 对……有利 make a difference 起作用;有影响 make a difference (to...) (对……)产生影响或作用 not only...but also... 不但……而且…… 连接两个对等的成分,also 可以省略 eg: I not only play tennis but (also) practise shooting eg: Not only Mr. Li but (also)his son loves the movie. 连接两个主语时,就近原则 eg:Not only does Miss Li like music, but (also) she likes sports 6.harmful do harm to 对……造成伤害 eg: Smoking will do harm to your health. be harmful to 对…… 有害 eg: Don’t read in the sun. It is harmful to your eyes 7.the number of ……的数量 eg:The number of girls in our class is 30 a number of 接可数名词复数 谓语动词用复数形式the number of ……的数量 接可数名词复数 谓语动词用单三形式 8.be against... 反 :be for... 支持…… eg: I am not against your idea. Instead, I’m for you 9.现在进行时 与 now, at the moment, right now, these days...连用eg:She is watching TV now. 现在进行时表将来 与e,go,arrive,leave,start 等动词连用eg: I’m leaving tomorrow 现在完成时 助动词 have/has+ 动词的过去分词 eg: Have you ever been to Japan ? 固定结构 have/has been to 曾经去过某地,现在已不在某地 eg: I have been to the USA twice. have/has gone to 去某地了,可能在途中,也可能到了那里,总之人不在说话处eg: —Where’s Jim? —He has gone to the library. have/has been in 在某地呆了一段时间,经常与“for+ 一段时间”连用 eg: We have been in this city for three years. 被动语态基本结构 be+ 动词的过去分词 eg: The glass is broken 主动语态 We visited that factory last summer. 被动语态 That factory was visited by us last summer. 感官动词/使役动词变为被动语态时带 to 主动: I often hear Mary sing in the next room 被动:Mary is often heard to sing in the next room Section B 1.recycle 回收利用 eg: We recycle all of our plastic bags. 2.throw away 扔掉;抛弃 eg: You can throw them away if you don’t want these clothes. 3.pull...down 拆下;摧毁put 短语 pull together 齐心协力 pull off pull out pull in (车等)停下,进站4.win a prize 赢得奖品 赢,获胜 后接比赛、活动、奖品beat 击败;打败 后接人或

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