为什么has/have been.后面的动词要是ing形式?
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为什么has/havebeen.后面的动词要是ing形式?为什么has/havebeen.后面的动词要是ing形式?为什么has/havebeen.后面的动词要是ing形式?这个时态是过去完成进行时,
为什么has/have been.后面的动词要是ing形式?
为什么has/have been.后面的动词要是ing形式?
为什么has/have been.后面的动词要是ing形式?
这个时态是过去完成进行时,根据进行时的规则,例如现在进行时be doing (I'm swimming.)过去完成时是have/has done 再转化为过去完成进行时done替换为been doing 即为have/has been doing
be 因为在have后面所以要变成been的形式,而正常动词在be后不是ing形式就是被动语态形式。
为什么has/have been.后面的动词要是ing形式?
现在完成时have/has为什么后面有时加动词的过去分词,有时加been
have/has been 后面跟什么词?
have been 和 has been的区别
has been have been的区别
there have been many great inventions 为什么用have一个地点不应该用has吗 难道是要跟后面的inventions?不太懂
现在完成时have been的意思我说的have been 是现在完成时的,为什么have been有时后面是动词,有时后面是形容词,还有,是什么条件引发的have been,现在完成时构成不是have/has吗? 英语小白 请见谅
have/has been后面能跟动词的什么时态?请举例说明.
have ever 为什么后面加been
have been / has been / had been 的区别
have been in have gone toHe__________New York for a week.has been in 还是 has gone to 后面有接for a week..感觉是 has been in...不过还是来问一下为什么.
The examiner must have been pleased with my performance,for he...为什么must后面不是had或者has呢
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She must have been tricked 是否确的说法吗?用have还是用has 为什么?
There have been great changes in our country since 1990...有几个疑问:为什么 There 后面是 have 而不是has 还有为什么是great changes 而不是单数?我要的是为什么.
where _ he he_to the library.A have been,went B have been ,have been C has been,went继续上面的“D has been,has been
there has/have been的用法