使役动词语法

使役动词是表示使、令、让、帮、叫等意义的不完全及物动词,主要有leave（离开）.get （得到）.keep（保持）.make(使,令),let(让),help(帮助),have(有；让；从事；允许；拿)等。

使役动词后接受词,再接原形不定词作受词补语。

接宾语时，人称代词用宾格。

例句
1）He made me(宾格) laugh.
他使我发笑。

2）I let him go.
我让他走开。

3）I helped him repair the car.
我帮他修理汽车。

4）Please have him come here.
请叫他到这里来。

3.使役动词还可以接过去分词作受词补语。

I have my hair cut every month.
我每个月理发。

4.使役动词的被动语态的受词补语用不定词,不用原形不定词。

1）(主)He made me laugh.
他使我笑了。

2）(被)I was made to laugh by him.
我被他逗笑了。

Have：
1）have sb do 让某人干某事
eg:What would you have me do?
2）have sb/sth doing 让某人或某事处于某种状态，听任
eg: I won't have women working in our company.
The two cheats had the light burning all night long.
3）have sth done 让别人干某事，遭受到eg:you 'd better have your teeth pulled out. He had his pocket picked.
notes: "done"这个动作不是主语发出来的。

注意：用于否定名时，表示“允许”
e.g. I won't have you running around in the house.
我不允许你在家里到处乱跑。

Make：
1）make sb do sth 让某人干某事
eg:They made me repeat the story.
What makes the grass grow?
notes: I was made to repeat the story.
2）make sb/sth done/adj./n 使某人/某物…eg. The news made him happy.
He couldn't make himself heard above the noise of the traffic.
His actions made him universally respected. He made her his wife.
3）make sb. sth
=make sth. for sb. 为某人做某物
eg. My aunt make me a kite.
=My aunt make a kite for me.
Get:
1)get sb to do 使某人干某事
eg: I can't get anyone to do the work properly.
2)get sth done 让别人干某事
eg: I must get my hair cut.
Can you get the work finished in time? Leave:
1)leave sb to do sth 让某人干某事
eg: We left him to paint the gate.
I'll leave you to settle all the business.
2)leave sb doing 让继续处于某种状态
eg: Don't leave her waiting outside in the rain. We left him painting the gate.
3)leave sth done/adj./prep.phrase
eg:Please excuse me if I have left any of your questions unanswered.
His illness has left him weak.
I was left with a ray of hope.
使役性动词（Causative Verb）
1.make /have/ let +sb. +do sth./let+down+sb.
2.get/set/leave + sb to do/doing sth.
不规则过去分词
be was/were been
有77个不规则过去分词。