作业帮what has happened?为什么用HAS
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/15 01:29:14
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what has happened?为什么用HAS
what has happened?为什么用HAS
what has happened?为什么用HAS
发生了什么事儿?
之所以用HAS 不是HAVE,是发问者不能确定是否有事发生,有几件事发生.
如果问者知道被问者发生了好几件事,只想一一知道这些事都是什么,可用HAVE提问.
表示现在完成时,是指过去的事情对现在有影响或是过去的事情一直持续到现在
现在完成时
过去完成时=has+动词过去时
现在完成时=has/have+过去分词
现在完成时，强调对现在造成的影响．
eg. You look very happy. What has happened？
你看进来很高兴，有什么喜事？
发生了什么事?
表示对过去提问
happen没有被动语态，表示发生了没，就用主动的过去式或者完成时态。
所以句子是what (has) happened,而不是what was happened?
what has happened?I have said something unking to my friend.这句为什麽不用 what have happened
what has happened?为什么用HAS
what happened what has happenedwhat happened what has happened 在语义上有什么区别吗
What has happened和What was happened区别
what happened ?和what has happened ?的区别
what has happened.这个句式有错吗
what has happened是什么时态的句型
what do you suppose _______to him?为什么是has happened不是to happen?
I have no idea what has happened to him为什么是同位语从句
What do you imagine----to her?为什么是has happened?这算什么时态?
do you know what ( ) just now.A.was happened B.happened C.has happened D.has been happened
是what has happened to还是what has happened at快,还有后面加什么!
We haven't seen Jim for several days.What do you think has happened to him 为什么是has happened而不是will happen
I have no idea what _____while I was asleep .A .has happened Bwas happened C.happened Dhad happened为神马选C呢?为神马ABD错的呢?
what/that has happened.为什么是选what?happen后面不是不加宾语嘛?为什么不是that啊!
what happened to you 和what has happened to you有什么区别
What has happened和What happened的区别另问过去时与现在完成时的区别
I wanted to know_to him.为什么填what happened而不是what has happened?