He's learned English since he came here划线since he came here怎

He's learned English since he came here划线since he came here怎么回答
原问是：
How___________ __________ he learned English
感觉上第二个空应该是have或者是had...

yanlyh226 1年前已收到1个回答举报

alain2003 幼苗

共回答了20个问题采纳率：100% 举报

How long

1年前追问

yanlyh226 举报

然后还有一个空。。。我把原句给你： How___________ __________ he learned English 感觉上第二个空应该是have或者是had...怎么看啊。。。

举报 alain2003

long has

yanlyh226 举报

为什么是has 什么时候用had= =

举报 alain2003

He's表示是现在时，所以问的时候也表示现在学多久了，had是过去的过去，如果问他去年的时候已经学了多久就要用had

yanlyh226 举报

多麻烦你一件事。。是一句连词成句，连下来后是： tihs year I had a wonderful time with my family on my birthday 别的感觉都是对的，但是tihs year我不确定，是放在最后还是在最前。。顺便说一下理由。。麻烦你了。。

举报 alain2003

放在前后都可以。这两种用法都是可以的。我个人的话偏向于放前面。

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你能帮帮他们吗

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