我星期二不能来参加宴会，我有事。

(3)vt. engage (sb. ) in sth.使某人参加或从事

I engaged him in conversation.

我让他加入谈话。

占用（时间），吸引（注意力）

Nothing engages his attention for long.

什么事都无法使他长时间集中注意力。

engagement n.订婚(to)

announce one's engagement to... 宣布与......订婚

break off one's engagement 解除婚约，解约

要点2　turn out

【例题】 Several years later, his theory _______true.

A. turned out to be

B. was turned out

C. turned out to

D. was turned out to be

解析:turn out to be表示结果是，不用被动。

答案:A

归纳与迁移

(1)turn out to be; turn out that

The weatherman said it was going to rain this afternoon but it turned out to be very lovely.

天气预报说今天下午有雨，其实今天天气非常好。

It turned out (that) two travelers had been killed. 

后来证实(查明)有两位旅客丧生。

She turned out to be a friend of my sister.

她原来是我妹妹的一个朋友。

（2）turn out 还有其他含义：

关掉

Remember to turn out the lights before you go to bed. 

别忘了睡觉前关灯。

生产，制造

This factory turns out 300 cars a week.

该厂每周生产300辆汽车。

到场，出席

Thousands of people turned out to see the film star.

数千人到场看那个电影明星。

Crowds turned out for the procession.

群众都出来参加了游行。

必背句型

要点1　What if...?

【例题】(经典回放)-I don't know it's good to hang the drawing here.

-______ I move it over there? Do you think it'll look better?

A. What about B. What if

C. How about D. What with 