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1.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make(使,令), let(让), help(帮助), have(叫)等。
He made me laugh.
I let him go.
I helped him repair the car.
Please have him come here.
I have my hair cut every month.
(主)He made me laugh.
(被)I was made to laugh by him.
a. have somebody do sth让某人去做某事
i had him arrange for a car.
b. have somebody doing sth.让某人持续做某事。
he had us laughing all through lunch.
i won't have you running around in the house.
1. have sb do 让某人干某事
e.g:What would you have me do?
have sb/sth doing 让某人或某事处于某种状态，听任
e.g: I won't have women working in our company.
The two cheats had the light burning all night long.
have sth done 让别人干某事，遭受到
e.g:you 'd better have your teeth pulled out.
He had his pocket picked.
2.make sb do sth 让某人干某事
e.g:They made me repeat the story.
What makes the grass grow?
notes: I was made to repeat the story.
make sb/sth done/adj./n
e.g. 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.get sb to do 使某人干某事
e.g: I can't get anyone to do the work properly.
get sth done 让别人干某事
e.g: I must get my hair cut.
Can you get the work finished in time?
4.leave sb to do sth 让某人干某事
e.g: We left him to paint the gate.
I'll leave you to settle all the business.
leave sb doing 让继续处于某种状态
e.g: Don't leave her waiting outside in the rain.
We left him painting the gate.
leave sth done/adj./prep.phrase
e.g: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.
1.make /have/ let +sb +do sth.
2.get/set/leave + sb to do/doing sth.
1. 用作使役动词，表示“使”，后接不定式的复合结构作宾语时，不定式不能带 to;但是，若make为被动语态，则不定式必须带to。如：
Though he had often made his little sister cry, today he was made to cry by his little sister. 虽然他曾经常把他小妹妹弄哭，但今天他被他小妹妹弄哭了。
We make candles to give light. 我们做蜡烛照明。
He made a box to put his money in. 他做了个盒子来装钱。
He tried to make his ideas known. 他设法让别人知道他的想法。
She had to shout to make herself heard. 她必须大声喊才能让人听见她说话。
误：He made the driver waiting for him outside.
正：He had the driver waiting for him outside.
Have I made myself clear? 我的意思说清楚了吗?
We’ll do our best to make you happy. 我们会尽一切努力使你幸福。
Sit down and make yourself at home. 请坐，不要拘束。
She would have made an excellent teacher. 她本可以成为杰出的教师。
That will make a good ending to the book. 那就成了这本书很好的结尾。
4. 以下各表达中的 make 在译成中文较灵活，需注意：make tea(泡茶)，make money(赚钱)，make the train(赶上火车)，make the party(参加聚会)，make 20 miles in an hour(一小时走20英里)，等。
5. 用于“be made+介词”：
(1) 比较 be made of 与 be made from：两者均表示“由……制成”，但前者通常表示在制成品中还看得出原材料，而后者则通常表示在制成品中看不出原材料。如：
The chair is made of wood. 这椅子是用木头做的。
Some paper is made from wood. 有些纸是用木头做的。
(2) 比较 be make out of 与 be made into：前者表示“由……制成”，后者表示“制成……”。两者有时可互换，并且根据情况也可与上面两个句型互换(注意词序的变化)。如：
Rice can be made into wine. 米可以酿成酒。
Wine can be made out of [from] rice. 酒可以由米酿成。