时间状从 when, while, as,

before, after, as soon as, since, till/ until, the moment, the minute, immediately, every time... I'll tell him about it the moment he comes.

I told you the news immediately I received his letter.

I want to see him the minute he arrives.

Every time he hears the song, he feels cheerful. 1 When +点时间/段时间

While +段时间

2 When introduced into the market, these products were popular in customers.

当从句的主语与主句一致，并且含有be动词时，可将主语与be 动词省略 条件状从 if, unless, suppose,

so/as long as

As long as you are here before12, you can come to the match with me. 当从句的主语与主句一致，并且含有be动词时，可将主语与be 动词省略 让步状从 Though, although, however, whatever, whoever, wherever, even if/even though, no matter+ how/ what/which/ when/ where/ who Even if he had won everything, it was possible to win in his sport, Li Ning retired with the feeling that he had failed.

No matter what you say, we won't believe you. Though poor, the man was happy.

当从句的主语与主句一致，并且含有be动词时，可将主语与be 动词省略

升华案 1

（20分钟） 　一、课前准备：1、自主选取答案；2、小组内探究，形成统一答案；3、小组长归纳本组碰到的问题，在课堂上发言。

二、试题讲评方法：

1、学生提问-其他同学解答；2、教师根据学生情况作点评。

Step3、Doing a quiz on adverbial clause

Mutiple Choice：

1.You like sports_____I'd like to read.

A．when B．while C．but D．yet