come可以用现在完成时吗I have fought my disease and come to know the value of life.这里come用一般现在时,可以用现在完成时吗?原题是：In the past five years,I have fought my disease and come to know the value of life.这里c

come可以用现在完成时吗I have fought my disease and come to know the value of life.这里come用一般现在时,可以用现在完成时吗?原题是：In the past five years,I have fought my disease and come to know the value of life.这里c I have just come back.是现在完成时吗?如果是,那come为什么不用过去分词? I have never thought about it 为什么要用现在完成时呢 不加have可以吗 I have read that book before BEFORE可以用在现在完成时肯定句吗 用现在完成时造一个句子have come back,supermarket 现在完成时I用have还是has? i ____(come)to the conclusion that it would be unwise to accept his proposal.答案have come,为什么用现在完成时?后面有would不应该用过去时吗 I have come to say goodbay .为什么要用hav,可以省略吗? I have come to this world,stark naked.不是现在完成时么?怎么不用I have came to this world i've come to your time to find out 这里面的have come是现在完成时么? Now that I have made this first time,I hope I can come many more times.为什么从句要用现在完成时Now that I have made this first time,I hope I can come many more times.为什么从句部分要用现在完成时 I’ve come to meet you翻译成我来接你,have是现在完成时的意思吗还是怎么回事,感觉看着中英文有点不搭 现在完成时的问题,可以用一般过去时回答吗?例：where have you been? i've been to the operawhere have you been? i've been to the opera.改成 i was to the opera I have already had a crash 这句是现在完成时吗? I have been to Beijing twice 为什么用现在完成时 她已经抓住这只鸟儿两天了.翻译 用现在完成时可以用 have caught吗? i have been getting scammed 是现在完成进行时 如果我想说现在完成时 可以用 i have been got scammed I have no idea _when___he will come back.(whether可以吗?如果可以那if呢?)