would have代表什么时态

would have代表什么时态 would have been completed表示什么时态? 英语时态问题If I had noticed it.I would have told you .这句话中用了什么时态. have to ;like to ;want to ;be going to ;would you;各用在什么时态? 有soon代表什么时态 would be looking for me 什么时态 It would be+时间段+before+什么时态 关于would like to have done时态问题 have fun后跟动词的什么时态? have made用在什么时态中 I have got a cold什么时态 have+been+现在分词构成什么时态?