rniaaa虛擬語氣的用法及專項練習題(編輯修改稿)

　

【文章內容簡介】 t hadn’t been for the doctor, he wouldn’t have recovered so soon.2)If it were not for the lack of space, we would hold the sports meet today.3.有些條件是由一些短語引出的(but for, with, without。 otherwise, or, but, etc,)1)We couldn’t have achieved so much without your help (= If we had not had your help).2)Without solar radiation, animals and plants would die.3)With better equipment, we could have done it better.4)But for electricity (= If there were no electricity), there would be no modern industry.5)I should have returned the book last week, but I was so busy that I forgot to do so.6)He was having a meeting。 otherwise he would have e over to help us.7)He felt very tired yesterday, or he would have attended the party.,虛擬語氣可通過上下文表現出來.謂語動詞用虛擬形式.1)Any men in his position would have done like that. 2) You should (ought to) have e earlier.虛擬語氣祈使語氣的混合使用在有些情況下,條件從句中的謂語由”should +原形動詞”構成,這時主句的謂語動詞既可以是虛擬語氣或陳述語氣,也可以是祈使語氣.1. If it should rain, the plan will / would be called off.2. Should anyone phone, please tell them I’m busy.3. Even if (If) it should get stormy, I will go.表示要求,建議,命令的虛擬語氣表示要求,建議,命令的從句中,謂語動詞要用should +原形動詞,其中可以should省略.下列例句可以表示這種虛擬語氣.a.主賓語從句表示法: suggest, order, request, advise, require, insist, ask, demand, mand, propose等動詞后面的賓語從句要用原形動詞should +原形動詞,可以省略.1. The doctor advised that I (should) take a rest.2. TheLondondockers demanded that their wages (should) be raised.3. He insisted that the meeting (should) not be put off.l當suggest, insist等動詞表示”暗示,堅持說”時,其賓語從句中的謂語動詞不需要用虛擬語氣,要用陳述語氣.1. Are you suggesting that I am not suited for the job?2. He insisted that he was innocent.b.主語從句表示法:當以上動詞用在下列句型中時,主語從句也應該用should +原形動詞1. It is suggested that the building (should) be pulled down.2. It is ordered that the work (should) be started at once.l在It is (was) strange (necessary, wonderful, important, etc.) that…句型中, strange, necessary等后面的主語從句中用should +原形動詞, should可以省略.3. It is strange that he (should) refuse to e to the party.4. It is necessary that a doctor (should) be sent for at once.5. It is important that we should learn from toehrs.e.表語從句表示法.suggestion, proposal, order, advice, demand等名詞作主語時,其后面的表語從句中也用虛擬語氣,即should +原形動詞, should也可以省略.1)My advice is that you (should) give up smoking.c. wish后面所跟賓語從句要求謂語動詞用虛擬語氣.wishthatshewerehere with me and that weweren’tsick. IwishIhad sentthe old man to hospital in time.d.在as if引起的從句中,動詞一般用虛擬語氣,通常用were. People treat meas ifIwerea dangerous person. I remember the whole thingas ifithappenedyesterday.f.同位語從句表示法. That evening came the order that we (should) cross the river at once.虛擬語氣中常見的句型有1. It is (high / about) time that…這一從句的謂語動詞用過去式或should +原形動詞,其中should不可以省略.此句型譯為”該是……時候了”.2. would rather sb. did sth. / had done sth.此句型表示”寧愿讓某人……”,如果是沒有發生的動作,從句用過去時。如果是已經發生的事,從句用過去完成時. 1) I’d rather you left tomorrow. 2) I’d rather they hadn’t gone to school yesterday.3. if only…此句型表示”要是……就好了”.其后面句子的時態與wish引導的賓語從句相同,既:如果虛擬現在,要用一般過去時。如果是虛擬過去,要用過去完成時。如果是虛擬將來,則應該用would或could加原形動詞.1) If only I were a bird! 2)If only I had worked hard as a student! 3) If only I could land on the moon!4.連接詞in case可用來引起的虛擬語氣.形式通常為: in case +主語+ should +動詞原形. in case句中should的可以省去,也可以不用虛擬語氣,而用陳述語氣.1)He took his rain coat with him in case it should rain.2) He doesn’t dare to leave the house in case he is (should be) recognized.虛擬語氣專項練習二20. The sun rises in the east and sets in the west, so it seems as if the sun ________round the earth. A. were circling B. circles C. is circling D . be circling 21. I wish that I _____ with y