概要： As you were there, I left a message. 2) 随着 As time went on, his theory proved to be correct. 3) 虽然,用于倒装结构中 Young as I am, I already know what career I want to follow. 4) 当、、、的时候 (用as 往往更强调主句和从句的两个动作同时发生。) She sang as she walked in the street. Prep. 5) 作为,充当 be dressed as a policeman, work as a teacher, serve as a waiter 6) 用作副词 This dress is twice as expe
Sports Stars,标签：高一英语必修2教案,高一英语下学期教案,http://www.67jx.comAs you were there, I left a message.
2) 随着
As time went on, his theory proved to be correct.
3) 虽然,用于倒装结构中
Young as I am, I already know what career I want to follow.
4) 当、、、的时候 (用as 往往更强调主句和从句的两个动作同时发生。)
She sang as she walked in the street.
Prep.
5) 作为,充当
be dressed as a policeman, work as a teacher, serve as a waiter
6) 用作副词
This dress is twice as expensive as that.
2. Since then, she has won the Wimbledon and the US Open twice.
从那时起,她两次获得Wimbledon和美国网球公开赛的冠军。
注意since then和from then on出现时,句子谓语时态的区别:since then出现时,用现在完成时;而from then on出现时,则要用一般过去时。
e.g. From then on he refused to talk about it.
Great changes have taken place in our hometown since the policy was carried out.
VI. Grammar
Present Perfect : 1.The time of the action in the past is not given or known.
e.g. I have met him before.
2. A past action has results in the present.
e.g. Have you read the novel? Can you tell me something about it?