英语时态.he has come here several times.为啥不对?

英语时态.he has come here several times.为啥不对? Her dream has come true.为什么系动词是has come不是come.本人英语不好. spring has come是什么时态 初二英语时态填空题He said he ____ ____(come)on time the next day. ( )----Has May come?-----_____.Shall I go and ask her to come?A.Yes,he has B.Not yet C.Yes,he doesD.No,he doesn't 看看这题选得对不对（英语单选）(1) Not only_____ the jewelry she ____ been sold for her son’s gambling debts but also her house.(2) Never _____ he come unless he _____ his wallet back.A.will,has B.has,had C.has,has D./,has 我原来 he hasn't come yet是什么时态? 一道英语过去完成时题~Helen ________ her key in the office so she had to wait until her husband _______ home.A.has left; comes B.left; had come C.had left; came D.had left; would come第二个空填什么时态比较正确?为什么第二个 英语时态疑问He has arrived in Beijing和 He has been in Beijing 这两个语法总是弄不清楚 Mr Smith ___ at this school since he ___ to Zhuhai.A:has been taught; came B:has taught; has comeC:has been teaching; has come D:has been teaching; came为什么选D?has been teaching是什么时态? Tom has just arrived,but I didn't know he ___ until yesterday.(come)时态填空.答案是would come,请问为什么 he has been to beijing.什么时态? she has been in Dutch with her hushand since he didn't come home last night.如何翻译 现在完成时he has come to my house?语法书上说,come 这一类的词不能用在完成时态里.我不太理解.因为我感觉come和go用法差不多.既然可以说he has gone to Japan.那come为什么不能用呢.另外“ 去过”用has James has just arrived,but I didn't know he _____ until yesterday.A.will comeB.is coming C.would come是什么时态？ To my s________,he has come back. Has he come back?对么?不用came? 英语动词时态练习题答案1.his grandfather for thitry years.A.dies B.was dead C.has been dead D.hsa died2.we don't find him anywhere.perhaps he home.A.is going B.went C.has come D.would come3.Jack his thick coat becayse it was snowing.A.puts