打字猴:1.704940186e+09
1704940186
1704940187 If I had thought of it, I would have talked to mother.如果我想到了,我都会跟妈妈讲了。(但我没想到。)
1704940188
1704940189 If she had been more cautious, she wouldn’t have made that mistake.如果她细心点儿,她不会犯这个错误。(但不够细心,因而犯了错误。)
1704940190
1704940191 在主句谓语中,有时可由could或might构成:
1704940192
1704940193 If we had left a little earlier, we could have caught the train.如果我们早点儿动身,我们就可能赶上火车了。(但我们动身晚了一点儿。)
1704940194
1704940195 I might have forgotten the whole thing if Mary hadn’t reminded me.要不是玛丽提醒我,我可能把整个这件事都忘记了。(幸亏她提醒了我。)
1704940196
1704940197 有时也可能是谈现在或将来纯粹假设、存在的可能性不大的情况。这时从句中的谓语形式一般相当于一般过去时,主句中的谓语由“would(might或could)+动词原形”构成。
1704940198
1704940199 If you had your choice, where would you go?如果你自己能选择,你会去哪里呢?(当然你不能自己选择。)
1704940200
1704940201 If you knew the circumstances you would (might) forgive me.如果你了解情况,你是(可能)会原谅我的。(可惜你不了解。)
1704940202
1704940203 If I had another £500, I could buy a car.如果我再有500镑,我可以买辆车。
1704940204
1704940205 从句中的谓语如果是be,多用were这个形式,不管是什么人称:
1704940206
1704940207 If there were anything to tell, I would tell you.如果有什么事,我会告诉你的。(不过目前没什么事。)
1704940208
1704940209 You wouldn’t be anywhere if it were not for Ruth.若不是有鲁思,你不会有任何成就。(幸亏有她。)
1704940210
1704940211 If I were you, I‘d go to night school.我要是你,我会上夜校。
1704940212
1704940213 但在日常口语中,在第一、第三人称单数后,用was的时候也不少:
1704940214
1704940215 If John was (were) here, he would know.如果约翰在这里,他是会知道的。
1704940216
1704940217 There would be endless rows if I was at home.如果我在家,会有吵不完的架。
1704940218
1704940219 虚拟条件句中这类特殊的动词形式多数语法学家都称为虚拟语气(the subjunctive mood)。由于存在着一些争议,有些词典避免用这个名称。这类句子有时可用来使语气显得客气一些:
1704940220
1704940221 It would be nice if you helped me a bit with the housework.如果你能帮我做点儿家务活就好了。
1704940222
1704940223 Would it be all right if I came round about seven tomorrow?明天七点左右我来合适吗?
1704940224
1704940225 Would it be all right if I brought a friend tonight?今晚要是我带一个朋友来可以吗?
1704940226
1704940227 另外if还可引起宾语从句,表示“是否”:
1704940228
1704940229 I asked them if they had any rooms to lent.我问他们是否有房子出租。
1704940230
1704940231 I wonder if I can get some advice from you.我想知道你能否给我出点儿主意。
1704940232
1704940233 I’ll go and see if he wants anything.我去看他是否需要什么。
1704940234
1704940235 还可引起某些短语,如:
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