in是不是用现在完成时In the past few years _______ great changes in Shanghai.A.there have been B.there have C.there wereD.there will be我选的是C可答案A,domo!

they havent in the spacecreaft 是不是现在完成时啊? in the past few years是不是现在完成时的标志,现在完成时的标志还有那些? After the traffic accident ,he lay in bed for two weeks.从句子里理解是现在完成时,为什么用lie的一般过去时.是不是某些动词不能用于现在完成时. in the past three years是用过去完成时还是现在完成时? in the past two months后面为什么用现在完成时? In the past twenty years,Lau has made over one hundred films.句中 In the past twenty years 是一个时间段.所以用了现在完成时has made .那么是不是只要句中有一个时间段出现就用现在完成时? in加时间段后是不是不能用现在完成时?如：in 1980The program began in 1980能不能改成The program has began in 1980? in是不是用现在完成时In the past few years _______ great changes in Shanghai.A.there have been B.there have C.there wereD.there will be我选的是C可答案A,domo! I saw my friend when I (walk)in the street.(现在完成时)用适当的形式填空I saw my friend when I (walk)in the street.(现在完成时) in加一段时间用现在完成时么 in the past few years 过去完成时 in the last few years 现在完成时 in the past 一般过去时 in the last three years与in the past three years的区别,好像一个用过去式,一个用现在完成时? 用for、since、in the past、这三个单词造句请用“现在完成时”造 in the past few years用现在完成时,需不需要用延续性的动词? in the past year用什么时态123现在完成时还是一般过去时 是year 有in the past的句子里一般要用现在完成时? in the last few years做时间状语时,用现在完成时吗? 用in the last few years 造三个现在完成时的句子,