become不是系动词么?为什么出来了“is becoming”呢?
become不是系动词么?为什么出来了“is becoming”呢?
become作系动词的时候不是没有进行时吗?那It is becoming better中become是什么词?
His wish is to become a scientist为什么不是becoming
系动词,比如become可以有过去式,但是可不可以变成is becoming?
become a volunteer today 为什么不是动名词becoming
gradually become请问为什么不是gradual become?become不是连系动词吗?为什么用副词?谢
关于英语句子成分的划分,如果it为主语,is为系动词,wores为表语,那么becoming为什么成分呢
he is on his way to becoming a doctor为什么become
is becoming和have become什么意思,区别,
这个句子有错么?running has become my favorite sport.has become 不是动词
系动词后面不是跟形容词吗,可是为什么会有He is alone的说法呢
His ambition is _ an actor.A.becoming B.become C.to become D