when, as soon as .after ,befor. until .if. 各造两

when, as soon as .after ,befor. until .if. 各造两

when:英 [wen] 美 [wɛn] conj. 考虑到；既然；当…时；在…时；如果
adv. 什么时候，何时；（用于时间的表达方式之后）在那时；其时；当时
pron. 那时；什么时侯 n. 时间，时候；日期；场合
例句：Do you know when they hooked up? 你知道他们什么时候结的婚吗?
He looked aside when I spoke to him. 我对他说话的时候，他向旁边看。

as soon as 一……就,刚…便,引导时间状语从句
例句：We chose the house for our home as soon as we saw it.
我们一看见这所房子，就把它选作我们的家了。
I phoned him so that he shall come as soon as possible.
我给他打了个电话，让他能尽可能快地到来。

after：英 ['ɑːftə] 美 ['æftɚ]

conj. 在……之后 prep. 在……之后 adj. 以后的 adv. 后来，以后
例句：
After you left, we all missed you. 你走了以后， 我们都很想你。
He headed for me after I called him. 叫了他一声之后，他朝我走过来了。

before：英 [bɪ'fɔː] 美 [bɪ'fɔr]

prep. 在…之前，先于 conj. 在…以前；在…之前 adv. 以前；在前
例句：He made a statement before the House of Commons.
他在下议院当众发表了一个声明。
I'd met him once before.我曾经见过他。

until：英 [ən'tɪl] 美 [ən'tɪl]

prep. 在…以前；到…为止 conj. 在…以前；直到…时
例句：He banged on the door until she let him in.
他砰砰打门，一直到她开门让他进去为止。
The letter passed from one to another until everyone had read it.
这封信从一个人转手到另一个人直到每个人都看过。

if：英 [ɪf] 美 [ɪf]

conj. （表条件）如果；即使；是否；（表假设）假如 n. 条件；设想
例句：Return if undelivered.无法投递请退回原处。
If weather permits, we'll fly to London tomorrow.
要是天气允许，我们明天乘飞机去伦敦。

when
when i was young i wanted to be a fairy
when no one was looking, he stole the cake.
as soon as
he died as soon as he reached the finish line
he wants an answer as soon as possible
after
the prince and princess lived happily ever after
after he finish his homework, he went out to play
before
she has to be home before midnight
Before she was rich she used to polish shoes.
until
she drank until she was drink
he never thought of stopping until he wins
if
if i was a billionaire, i want to buy a lot of houses.
if she was here to she her son's success, she would be proud.

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