人教新目标九年级英语Unit4精讲.doc

Unit 4 What would you do?1. if 引导的非真实性条件状语从句 即 虚拟语气 通过动词形式的变化来表示说话人对发生的动作或存在的状态所持的态度或看法的动词形式称为语气，虚拟语气表示说话人所说的话不是事实，而是一种祝愿，建议或是与事实相反的假设等 If 引导的条件状语从句分为真实和非真实条件句，非真实条件句应用虚拟语气如果要表示与现在或将来事实相反时，其虚拟语气结构为：句 型条件从句主 句谓语动词形式动词过去式(be动词用were)would+动词原形 即：(从句)if +主语+动词过去式(be 动词用were), 一般过去时(主句) 主语+would+动词原形 过去将来时 如：If I had time, I would go for a walk.如果我有时间，我就会去散步事实上我现在没有时间) If I were you, I would take an umbrella. 假如我是你的话，我会带上雨伞事实上我不是你)I would say no if someone asked me to be in a movie. 假如有人请我当电影演员，我会表示拒绝。

事实没有人请我当电影演员)☆ 真实条件句，一般if引导的从句用一般现在时表示将来式如：I’ll travel to the Yellow Mountains if it doesn’t rain tomorrow.2. other people 其它的人(other+名词的复数=others) 如：other girls, other things 比较：everyone else 其它的人 what else where else something else3. be late for ( sth./ doing sth) 迟到 (late adj. & adv. 反义词early)如：I am late for school/ class/ party. = I am late for going to school.I don’t like to be late. Don’t be late. She shouldn’t be late. be late to do sth. 如：I am late to go to school.4. a few 与 a little 的区别，few 与 little 的区别 ⑴一些：a few (修饰可数名词)，a little (修饰不可数名词) 两者表肯定意义 如：He has a few friends. 他有一些朋友。

There is a little (=a bit of) sugar in the bottle. 在瓶子里有一些糖 ⑵少数的：few(修饰可数名词)，little(修饰不可数名词) 但两者表否定意义 如：He has few friends. 他没有几个朋友 There is little sugar in the bottle.在瓶子里没有多少糖5. still 仍然,还 用在be动词之后，行为动词之前 如： I am still a student.我仍然是个学生 I still love him.我仍然爱他6. hundred, thousand , million, billion (十亿)词前面有数词不能加s ， 反之，则要加s 并与of 连用，表示数量很多 如：seven hundred/ thousand/ million/ billion people 七百/千/百万/十亿人 hundreds of trees 上百棵树 millions of people 数以百万人7. what if + 从句 如果…怎么办 ， 要是… 又怎么样 如： What if she doesn’t come? 要是她不来怎么办？ What if Li Lei knows? 如果李雷知道了怎么办？8. add sth. to sth. 添加…到… 如：I added some sugar to water. 我把糖添加到水里。

9. 系动词与形容词连用 get nervous 变得紧张 feel shy 觉得害羞 look friendly 看起来友好be afraid of sth. be terrified of doing sth be sure be confident/ energetic10. too +形/副+to do sth. 太…而不能 如： I’m too tired to stand. =I’m so tired that I can’t stand.我太累了而不能站11. help with sth. 如：They help with this problem. help sb. (to) do. 如：They help you relax. 他们帮助你放松 can't help doing情不自禁 He couldn't help crying when he heard the sad news.12. What are you like? 你怎么样？ I’m creative and outgoing. (like, prep.) What do you like? 你喜欢什么？I like playing computer games.(like, v.) What do you look like? 你长得什么样子？I have short hair and am of medium height.13. in public 在公共场所 如:Would you mind not talking loudly in public? 请你不要大声喧哗好吗？14. energetic adj. 活力的 如：She is a energetic girl. 她是一个活力的女孩。

energy n. 活力 如：She has lots of energies. 她有活力15. ask sb. to do 叫…做某事 tell sb. to do 告诉…做某事 ask sb. not to do sth.叫…不要做某事 tell sb. not to do sth. 告诉…不要做某事如：Teacher asked me to clean the classroom. Teacher asked me not to clean the classroom.16. start doing == start to do. 开始做某事 如： He started speaking/ to speak. 他开始说话17. borrow sth. from sb. 从某人那里借来某物=borrow sb. sth. 如： I borrowed a book from Lily. 我从莉莉那里借来一本书 lend sb sth.= lend sth. to sb. 把某东西借给某人 I lent Mary an umbrella yesterday.=I lent an umbrella to Mary. =Mary borrowed me an umbrella.=Mary borrowed an umbrella from me. 18.wait for sb.等某人 如：I am wait for him. 我正在等他。

注意：She said she would wait at the school gate. can’t wait to do sth迫不及待干什么 如：I can’t wait to meet you. 我迫不及待要见你19. introduce sb. to sb. 把某人介绍给某人 如：I introduced Lily to Anna. 我把莉莉介绍给安娜 introduce oneself 自我介绍 如：We introduce ourselves to each other.20. invite sb. to do 邀请某人做某事 如： Lily invited me to go to her home for supper. 莉莉邀请我去她家吃晚饭21. have dinner/ supper 吃晚饭 have lunch/ breakfast 吃午餐、吃早餐22. plenty of ( 饰不可数名词和可数名词) 许多 =a lot of / lots of 如：They have plenty of food/ apples. 他们有许多的食物/苹果。

23. 给某人某物 give sth. to sb. 如： give an apple to me give sb. sth. give me an apple 给我一个苹果24. get along(=on) with sb. 与…相处 如： Do you get along well with your friends? 你和你的朋友相处得好吗？25. would rather do sth. than do sth. 表示愿做某事而不愿做某事 如： I would rather walk than run. 26. whole 整个的 如: the whole school= all the school27. be confident of sth / doing sth. 对……有信心28. let sb. down 让某人失望 如： Don’t let your mother down. 不要让你的妈妈失望29. come up with sth. 提出 想出 如：He came up with a good idea. 他提出了一个好主意。

catch up with sb. 追上 赶上 如：Lily caught up with Anna. 莉莉赶上了安娜30. have (a lot of) experience doing 在做某事有(许多)经验 如： I have a lot of experience teaching Chinese. 我在教英语方面有许多经验31. come out 出版，出来 如：The magazine comes out once a week. 这种杂志每周出一次32. by accident 偶然地，无意之中 如：Last week I cut my finger by accident. 上个星期我不小心割到自己的手指33. hurry to do 匆忙…如：I hurried to call the police. Please hurry to call at 120.34. more than = over超过 如：more than (=over)40 years 四十多岁35. offer sb. sth. 给某人提供某物 如：offer you ciga。