Unit 13-九年级全一册英语知识点思维导图（人教新目标版）

原创精品资源学科网独家享有版权，侵权必究！1 $$ 人教新目标版九年级全一册 Unit 13 We are trying to save the earth! Section A 1.play a part in 参与 +n./pron./v­ing eg：I want to play a part in saving the earth. 2.cut down 减少 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 优点 可数名词 have the advantage of 有……的有利条件 be to... advantage 对……有利 4.make a difference 起作用；有影响 make a difference （to...） （对……）产生影响或作用 5.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 有害的 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 辨析 a number of 许多 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... 反对 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come，go，arrive，leave，start等动词连用 eg: I’m leaving tomorrow 10.现在完成时 构成 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. 11.被动语态 基本结构 be+ 动词的过去分词 eg: The glass is broken 转换 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 p