例句： I called again at eight and you didn’t answer then either.，我来为大家讲解一下关于七上英语unit8教案?跟着小编一起来看一看吧!
七上英语unit8教案
例句： I called again at eight and you didn’t answer then either.
1.either作副词 “也”及辨析
either 用于否定句，一般放在句末.
also 一般用于肯定句中，常放在句中，be动词、情态动词、助动词之后，实义动词之前
too 一般用于肯定句或疑问句，常放在句末，其前常有逗号
as well 常用与肯定句，位于句末
2.either 作代词
①做主语时谓语动词用单数。
例：Either of the books is popular with students.
②either...or...意为“或者......或者......”
例： Either you or Tom has done it.
3.either作形容词，修饰可数名词单数。
例：You can park on either side of the street.
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