either的用法,什么时候要用either,什么时候用neither
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neither和either的用法

1.共同点:

1)它们都可用作主语、宾语和定语.

例如:①Neither of the books is good.(主)

②He phoned neither of us yesterday.(宾)

③Neither way is correct.(定)

④I don't think either of them is at home.(主)

⑤Here are two knives.You can take either of them.(宾)

⑥There are shops on either side of the street.(定)

2)Neither和either作定语时,其后的名词都用单数.例如:

Neither book gives the answer.

There are tall buildings on either side of the road.

2.不同点:

neither是表示“两都不”的否定说法,而either是表示“两人或两物中任何一个”的肯定说法.

注意:

A.either作为副词表示“也”,不同于too,also,either通常用于否定句的末尾,too通常用于肯定句的句 末;而also通常用于肯定句和疑问句中,其位置一般用在to be之后,其它动词之前.