never的用法,never是什么词?

一个句子的动词采用什么时态,并不由never来决定.它取决于
所要表述的动作发生的时间,下面举几个例子,你可以看出,虽然都有never,但时态不同.
I have never been there.
我从未到过那里.
He answered never a word.
他一句话也不回答.
That will never do.
那决不行.
所以要选择什么时态,和never并没有什么必然的因果关系,注意力不要放在never上,按照动词时态本身的规则进行.
■never的位置
Tom never went to see his wife.．(在行为动词之前)
Tom has never been to China.．（在第一个助动词后）
Tom is never late for school.在系动词后）
属于这一类的副词还有often,sometimes,always,usually,already,nearly,almost等.often被quite或very修饰时可放于首位或末位.如：we don't fight very often.