赖世雄英语语法 15

 

Lesson 15

When he came¹ I was² singing.

他来的时候我在唱歌。

“when”当……时候“while³”在……时候“once”一旦“though”虽然“if”如果……这些连词引导的副词从句如果它的主语跟主句的主语一致，那么这些从句可以变成分词短语。

When I saw，her I felt happy.

When seeing her，I felt happy.

当我看到她的时候我感到高兴。

While I was in Beijing，I had⁴ a good time.

While in Beijing，I had a good time.

我当时在北京过得很愉快。

When I’m unhappy，I don’t feel like talking.

When unhappy，I don’t feel like talking.

当我不高兴时，我不想说话

1 came   

v.动词come的过去式

参考例句：

• I was surprised why he came here so early.他为什么那么早到这里，我很惊奇。
• The doctor came in time to save his life.医生及时来抢救他的生命。

2 was   

v.(is,am的过去式)是，在

参考例句：

• He said he was right.他说他是正确的。
• He was cold and hungry.他又冷又饿。

3 while   

conj.当…的时候；而；虽然；尽管 n.一会儿

参考例句：

• In a short while,the cat ate up the fish.不久，那只猫便将鱼吃个精光。
• He teaches English in the school all the while.他一直在这所学校里教英语。

4 had   

vbl.have的过去式和过去分词；conj.有

参考例句：

• I just had a good idea!我有个好主意！
• The boy had a small branch of a tree in his hand.这个男孩手上拿一条小树枝。