第1个回答 2011-05-26
no
不用了,直接是动词原形,建议你看高考必备,上面的语法很多,也适合小学及初中生 高中生
第2个回答 2011-05-26
若两个动词之间有and, but 等并列连词那么时态保持一致
第3个回答 2011-05-26
是,也有可能是过去完成时。如:My father told me that he breaked/had broken his bike .采纳
第4个回答 2011-05-26
这个不一定,得看具体语境,不过通常情况下是这样的。
如:I heard that he met his old friends in the supermarket yesterday.
when they got to the station, the train had left.