九年级英语全册 Unit 13 We’re trying to save the earth知识点汇总 （新版）人教新目标版

unitunit 1313 wewe areare tryingtrying toto savesave thethe earth earth section a 1 play a part in 参与 n pron v ing 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 put 短语 pull together 齐心协力 pull off 脱去 pull out 拔出 pull in 车等 停下 进站 4 win a prize 赢得奖品 辨析 win 赢 获胜 后接比赛 活动 奖品 beat 击败 打败 后接人或团队等竞争对手 5 set up 建立 set 短语 set off out 动身 出发 set free 释放 set down 写下 记下 6 bring back 恢复 归还 带回 eg please bring back the books to the library 7 creativity n creator 创造者 发明 v create 创造 adj creative 创造性的 section a 1 play a part in 参与 n pron v ing 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 put 短语 pull together 齐心协力 pull off 脱去 pull out 拔出 pull in 车等 停下 进站 4 win a prize 赢得奖品 辨析 win 赢 获胜 后接比赛 活动 奖品 beat 击