英语必修12的讲义和习题2unit4wildlife protection语法

1、 PAGE 第 5 - 页 简单学习网课程讲义学科：英语专题：必修2：Unit4 Wildlife protection 语法主讲教师：林斌 北京八十中学英语高级教师 HYPERLINK / 北京市海淀区上地东路1号盈创动力大厦E座702B免费咨询电话 4008-110-818总机篇语现在进行时现在进行时的定义现在进行时主要用于表示目前正在进行的动作，有时也可表示现阶段在进行的动作。The teacher is giving us an English lesson. 老师正在给我们上英语课。The farmers are getting in their crop

2、s. 农民们正在收割庄稼。We are making preparations for the conference. 我们一直在为会议作准备。现在进行时的结构现在进行时由“am / is / are + 现在分词”构成。Im studying at Yu Cai Senior Middle school. 我在育才中学读书。He is writing on the desk. 他在课桌上写字。They are talking about their visit to the Great Wall. 他们在谈论游长城的事情。题一：Ill go to the library as soon as

3、 I finish what I_.A. was doing B. am doingC. have done D. had been doing现在进行时可以表示说话时正在发生的动作，常和now，right now，at this moment等时间状语及动词look，listen等连用，这是现在进行时的“暂时性”特征。I m sitting on a rock near the river with my friends.我和朋友们正坐在河边的石头上。Mother is preparing supper in the kitchen. 母亲在厨房做晚饭。题二：Look at the stud

4、ents over there. What _ ？A. do they do B. are they doing C. they are doing D. is he doing 现在进行时可以表示目前一段时间内一直在发生的动作，但是说话时不一定在发生，常和 these days ，this week，at present等时间状语连用，这是现在进行时的“阶段性”特征。We are enjoying our boat trip very much.（这几天）我们坐船旅游非常高兴。 We are having a wonderful time. 我们（这几天）玩得很开心。题三：With more

5、 forests being destroyed, huge quantities of good earth _ each year. A. is washing away B. is being washed awayC. are washing away D. are being washed away题四：That piece of music sounds quite familiar. Who _ the piano upstairs?A. has played B. played C. plays D. is playing有些非持续性动词的进行时可以表示动作即将进行或发生，或表

6、示动作的重复。He is joining the army. 他要参军了。They are buying the house. 他们要买那座房子。题五：An airbus has begun taking orders from Chinese customers on the mainland and _more this year.A. is expecting B. has begun expectingC. will expect D. has expected现在进行时可以表示将要发生的动作，不过这种用法只限于arrive，begin，come，drive，fly（乘飞机），go，g

7、o off，get to，leave，return，see off，stay，take（带走），take off（起飞）等动词。When are you going off to Guangzhou？How are you getting to the airport？题六：I ve won a two-day holiday to Florida. I _ my mumA. am taking B. have taken C. take D. will have taken 当现在进行时中有always, forever, constantly, continually, all the t

8、ime, again修饰时，表示说话人的赞赏或厌烦的感情。He s always coming late他总是迟到。（表示厌恶） They are always helping us. 他们总是帮助我们。题七：The girl _ always_ loudly in public.A. is; talking B. is; to talk C. was; to talk D. were; talking不用进行时的动词 1. 事实状态的动词 have, belong, possess, cost, owe, exist, include, contain, matter, weigh, mea

9、sure, continueI have two brothers.This house belongs to my sister. 2. 心理状态的动词know, realize, think, see, believe, suppose, imagine, agree, recognize, remember, want, need, forget, prefer, mean, understand, love, hateI need your help.He loves her very much.3. 瞬间动词 accept, receive, complete, finish, gi

10、ve, allow, decide, refuse.I accept your advice.4. 系动词seem, remain, lie, see, hear, smell, feel, taste, get, become, turnYou seem a little tired. 题八：Look at the pride on Toms face. He_ to have been praised by the manager just now.A. seemed B. seems C. had seemed D. is seeming现在进行时的被动语态现在进行时的被动语态构成am

11、/ is / are + being + 及物动词的过去分词 Uncle Wang is mending my bike now.My bike is being repaired by Tom now. They are planting trees over there. Trees are being planted over there by them.不能变为被动语态的情况：要想正确地使用被动语态，就须注意哪些动词是及物的，哪些是不及物的。特别是一词多义的动词往往有两种用法。解决这一问题唯有在学习过程中多留意积累。不能变为被动语态的情况：appear, die（死亡）,disappe

12、ar（消失）, end (vi. 结束）, fail, happen, last, lie, remain, sit, spread, stand, break out, come true, fall asleep, keep silence, lose heart, take place. After the fire, very little remained of my house.题一：判断下列句子正误。The price has been risen. The price has risen. The accident happened last week. The acciden

13、t was happened last week. The price has raised. The price has been raised. Please seat. Please be seated. 不能变为被动语态的情况：不能用于被动语态的及物动词或动词短语： fit, have, hold, marry, own, wish, cost, notice, watch, agree with, arrive at / in, shake hands with, succeed in, suffer from, happen to, take part in, walk into,

14、 belong toThis key just fits the lock.不能变为被动语态的情况：谓语动词的宾语是反身代词（oneself）或者相互代词（each other，one another）时不可变为被动语态。如：She found herself in a valley. 不能说成Herself was found in the valley. They often fight with each other. 不能说成Each other are often fought with.不能变为被动语态的情况：带同源宾语的及物动词，反身代词，相互代词，不能用于被动语态。die, d

15、eath, dream, live, life She dreamed a bad dream last night.不能变为被动语态的情况：系动词无被动语态（“keep”除外）： appear, be become, fall, feel, get, grow, look, remain, seem, smell, sound, stay, taste, turnIt sounds good.题二：As soon as he heard the loud noise, he went out to see what _. A. was happening B. was happened C. has happened D. will happen讲义参考答案现在进行时题一：答案：B题二：答案：B题三：答案：D题四：答案：D题五：答案：A题六：答案：A题七：答案：A题八：答案：B现