北师大版高中英语选修6 Unit16 Language Awareness：

Have / Get Something Done使某事完成

一、使役动词have的用法

1、have +宾语+过去分词

 (1) 让别人做某事

    We had the machine mended just now. 我们刚才请人把机器修好了.

    He has had his hair cut. 他（请人给他）理发了.

 (2) 使某物遭受某事

    I had my pocket picked on the subway. 我在地铁里被人掏了口袋。

 (3)（主语）完成某事（可能参与）。

    They are going to have some threes planted.他们打算植些树。

    We must have the work finished by Tuesday. 我们必须在星期二以前完成此项工作。

2、have +宾语+不定式（不带to），表示主动“让某人做某事”。

  I’ll have someone repair the bike for you. 我会让人为你修理自行车的.

3、have +宾语+现在分词

（1）使……持续做某事

   He had me waiting two hours outside.他让我在外面等了两个小时。

（2）与否定词连用，表示“不容许某人做某事”。

   I won't have you smoking in the sitting room. 我不许你在起居室里抽烟。

二、使役动词get的用法

1、get +宾语+形容词/副词/介词短语

   He has got his coat dirty. 他把上衣弄脏了。

   Get these chairs outdoors, please. 请把这些椅子搬到外面去。

   I have got him into trouble. 我使他陷入了困难。

2、get +宾语+不定式，表示主动，意为“让……去做某事”。

   Can you get us to do the experiment? 你能让我们做这个实验吗？

3、get +宾语+现在分词，表示主动，意为“使……重新……”。

   Let me try now. I'll get the car starting.现在让我试试看，我会使车子发动起来。

4、get +宾语+过去分词，表示被动，意为“使……被……”。

   Finally I got my pay raised. 最后我的工资增加了。

三、区别

1、have sth. done = get sth. done 二者可以表示以下三种意义。

（1）请别人帮忙做某事

（2）完成某事

（3）表示一种不幸的遭遇

2、“have +宾语+现在分词”表示“使……持续进行”，宾语和动词是主动关系；

  “get +宾语+现在分词”表示“使……开始做某事”。

3、表示“让某人做某事”时，用have sb. do sth. 或者get sb. to do sth.

4、have sth. to do表示“有某事要完成”，其中不定式作定语。

   如果不定式的动作由主语来完成需其用主动形式。

   I have some letters to write.我有几封信要写。

   He have a large family to support.他有一大家人要养活。

   如果不定式的动作不是由主语来完成需用其被动形式。

  “Do you have any clothes to be washed today?”she asked. 她问道：“你今天有没有衣服要（我）洗？”

四、常用时态

五、练习

1. The computer I had ______ (repair) yesterday went wrong.

2. Thailand got some famous buildings ______ (destroy) in the flood.

3. What a shame! I can't get him ______ (stop) crying.

4. The farmers had the tractors ______ (work) day and night at the harvest time.

5. The manager has so much work _____ (do) that he has to stay after work.

Keys:

1. repaired   2. destroyed   3. to sop   4. working   5. to do