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Help oneself to……(随便吃/喝/使用)

Learn sth. by oneself=teach oneself sth.(自学)

6、修饰可数名词(many/few表示否定意义/a few表示肯定意义)

修饰不可数名词(much/little表示否定意义/a little表示肯定意义)

注意:few和little与quite或only连用时,常加不定冠词a.

如:There are quite a few new books in the library.

7、当不定冠词something, anything被形容词修饰时,形容词常后置。

如:There,s something important in today,s newspaper.

8、some, every, all, both ,either, anther的用法。

(1)some(一些、某)一般用于肯定句中,any(任何)多用于疑问句和否定句。

注意:some有时也可用于表示请求的疑问句中。

如:

Will you give me some water?

May I ask some questions?

(2)every+单数名词(每一个)强调共性,作定语,形式上为单数。

Each“每一个”强调个性,作定语、主语、宾语和同位语,常和of连用。

如:

Every child likes playing games.

Each of them has a nice skirt.

注意:every two days每两天,每隔一天

(3)all“全部,都”表示三者或三者以上,作同位语时,一般放在连系动词、助动词之后,行为动词之前。None“没有”表示三者或三者以上都不,后常跟介词of.

如:We are all from Canada.=All of us from Canada.

None of us is/are afraid of dogs(单,复数均可)

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