Book6U4課件課時(shí)5Grammarandusage2

1、( (模塊六模塊六 高二上學(xué)期高二上學(xué)期) )grammar and usage課件描述：課件描述： 本課件主要運(yùn)用于幫助學(xué)生鞏固虛本課件主要運(yùn)用于幫助學(xué)生鞏固虛擬語氣的各個(gè)規(guī)則，并進(jìn)行歸納和練習(xí)。擬語氣的各個(gè)規(guī)則，并進(jìn)行歸納和練習(xí)。1. inversion of conditional1. inversion of conditionalomission of “if”omission of “if” 虛擬條件句的從句部分如果含有were, should,或had,可將if省略，再把were,should或had 移到從句句首，實(shí)行倒裝。 if they were here now, the

2、y could help us. were they here now, they could help us. if you had come earlier, you would have met him. had you come earlier, you would have met him. if i should have time, i would call her. should i have time, i would call her.exercises iexercises ifirst, change the following sentences into condi

3、tionals.second, invert these conditionals. 1. the boy who went swimming in the no- swimming zone drowned in the river. if the boy hadnt gone swimming in the no-swimming zone, he wouldnt have drowned in the river. had the boy not gone swimming in the no-swimming zone, he wouldnt have drowned in the r

4、iver.2. billy was badly bitten by mosquitoes because he forgot to use the mosquito net last night. if billy had remembered to use the mosquitonet last night, he would not have been bitten by had billy remembered to use the mosquitonet last night, he would not have been bitten by 3. the mother carele

5、ssly put the knife within the babys reach, and the baby cut herself while playing it. if the mother had carefully put the knife out of the babys reach, the baby wouldnt have cut herself. had the mother carefully put the knife out of the babys reach, the baby wouldnt have cut herself.exercises iimult

6、iple choices1. _the exam, he would have attend a college.a. if he passed b. had he passedc. were he passed d. if he should passb2. _ five minutes earlier, you could have seen them off.a. if you should arrive b. if you arrivec. had you arrived d. should you arrivec 3. _it rain tomorrow, we should hav

7、e to put off the visit to the science museum.a. were b. should c. would d. willb2. implied conditionals2. implied conditionals 1. but for, without, under, with etc. but for electricity, there would be no modern industry. without your help, we could not have succeeded. under such circumstances i woul

8、d probably have done the same. 2. otherwise, but, or i ran all the way to school, otherwise i would have been late. he felt very tired yesterday, or he would have helped you. 3. but that (要不是要不是) but that he was short of money at the time, he would have come to help us. 4. -ing phrases and to-infini

9、tive you would have laughed to see him jump aside. this same thing, happening in wartime, would amount to disaster. 5. if it were (had been) not for 要不是要不是 if it were not for peace, we could not be living a happy life today. if it had not been for your advice, i would not have accepted the job.exerc

10、ises make some sentences of implied conditionals3. unreal situations we can use even if, as if, as though and if only to introduce unreal situations. 1. even if i would never go to his home even if i were invited to. 2. if only if only the weather were finer! if only you hadnt offended him! 3. as if

11、 /as though she always talks to me as if she were my sister. he walks slowly as if he had hurt his leg. she looks as if she would cry. 在某些語境中，如果不表示假設(shè)意義，就不必用在某些語境中，如果不表示假設(shè)意義，就不必用過去式。過去式。 it looks as if it is going to rain. the fish smells as if it has gone bad.exercises multiple choices1. when a penc

12、il is partly in a glass of water, it looks as if it _.a. breaks b. has broken c. were broken d. had been brokenc2. the actor is 58 years old. but he acts as if he _ a young man.a. is b. will be c. am d. wered3. the clouds are getting darker and darker. it looks as if it _rain.a. is going to b. will

13、c. was going to d. woulda4. subjunctive mood in 4. subjunctive mood in wish-clauseswish-clauses 用于wish后面的從句，表示與事實(shí)相反的情況，或表示將來不太可能實(shí)現(xiàn)的愿望。 1. wish (that) +s + v-ed (were) i wish i were as young as you. 2. wish (that) +s + had done i wish that i had not met him yesterday. 3. wish that +s + would/ could/m

14、ight do isnt it your wish that you could buy a car like that? i wish和和i hope都表示都表示“希望希望”。但。但i hope并不表示假設(shè)意義，隨后的動詞形式除表并不表示假設(shè)意義，隨后的動詞形式除表示婉轉(zhuǎn)口氣外很少用過去形式。示婉轉(zhuǎn)口氣外很少用過去形式。 i hope youre coming to our party. we hope you will be very happy.exercisesexercises1.the picture exhibition bored me to death. i wish i _

15、to it.a. hadnt gone b. havent gonec. didnt go d. could not have gonea2. how i wish i _ that! everybody present was angry with me.a. didnt go b. hadnt done c. wouldnt do d. wasnt doingb3. he is a brave man. yes, i wish i _ his courage.a. have b. had c. will have d. would haveb4. tom can take his car

16、apart and put it back together again. i certainly wish he _ me how.a. teaches b. will teach c. has taught d. would teachd5. subjunctive mood in:1) its (high/ above) time that somebody did . 2) a would rather (that) b : 現(xiàn)在現(xiàn)在 did過去過去 had done將來將來 did 1) its (about/high) time +that should dodid你該走了你該走了。我們該吃飯了。我們該吃飯了。its high time that you went.its high time that you wer