2. every four years 每四年  用法归纳

every 与数词或few、other连用,表示时间或空间的间隔,一般形成以下几个结构:

(1)every+基数词+复数名词,意为“每……”; (2)every+序数词+单数名词,意为“每第……”;

(3)every+ other+单数可数名词,指“每隔……”; (4)every +few+复数名词,译为“每隔几……”

I go there every three days. 每三天我去那里一次。

He comes to see his uncle every third Sunday every month. 他每月第三个星期天来看他的叔叔。

He goes to town every other day. 他隔天去一次城里。

Write on every other line. 要隔行写。

He stopped and turned round every few minutes. 每隔几分钟他都停下来回头看看。

●必背句型

表示“尽其所能去做某事;尽力做某事”的句型

教材原句

(1)We will not let our history and culture be destroyed and we will do everything we can to save our city. 我们不会让我们的历史和文化被毁灭的,我们将尽我们的所能去挽救我们的城市。

(2)They do their best to win medals. 他们努力去赢得奖牌。

特别提示

“尽其所能去做某事;尽力做某事”可用 sb.do what one can to do或sb.do everything/ all (that)one can to do来表达。该句型中can后省略了do,不定式作目的状语。也可用do/try one’s best to do来表达。

每当他遇到困难时,她总是尽她所能去帮助他。

Whenever he met with difficulty, she would do what she could to help him.

=Whenever he met with difficulty, she would do______ / ________ ________ _______ to help him.

=Whenever he met with difficulty, she would do/try her best to help him.

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