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(有;让;从事;允许;拿)等。下面小编告诉你英语动词变使动用法，大家一起来看看吧!
英语动词变使动用法:
1. have sb do 让某人干某事
:What would you have me do?
have sb/sth doing 让某人或某事处于某种状态，听任
: 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
: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。
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sb do sth 让某人干某事
: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
. 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.
sb to do 使某人干某事
: I can't get anyone to do the work properly.
get sth done 让别人干某事
: I must get my hair cut.
Can you get the work finished in time?
sb to do sth 让某人干某事
: 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
: Don't leave her waiting outside in the rain.
We left him painting the gate.
make的用法:
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。
注意，若make不表示“使”，而表示其他意思则情况不同，比如下面两句，make后的不定式不是宾语补足语，而是目的状语:
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。
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2. 其后除可接不带to的不定式作宾语补足语外，还可以接以下成分:
(1) 接过去分词作宾语补足语。如:
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。
注意，其后通常不接现在分词作宾语补足语。如:
他让司机在外面等他。
误:He made the driver waiting for him outside.
正:He had the driver waiting for him outside.
(2) 接形容词作宾语补足语。如:
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。
(3) 接介词短语作宾语补足语。如:
Sit down and make yourself at home. 请坐，不要拘束。
3. 有时可用作连系动词，表示“成为”“变成”等。如:
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。
但是，在现代英语中有时不完全按此区分。
(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。
6. 用于 make it:
(1) 表示事业获得成功。如:
You will make it if you try. 你会成功的，如果你努力的话。
He’s never really made it as an actor. 他当演员从未有所成就。
(2) 表示具体做成某事。如:
You needn’t worry; he will make it. 他不必担心，他会办成的。
If you want to make it, better get doing. 如果你想把这事干成，就该动手了。
(3) 表示设法做到某事。如:
I’ve been having violin lessons every two weeks, but I think I’ll make it every week from now on. 我一直是每两个星期上一次小提琴课，但是我想从现在起每个星期都上课。
(4) 表示及时赶上火车等。如:
The train leaves in five minutes—we’ll never make it. 火车再有5分钟就开了——我们绝对赶不上了。
(5) 表示及时抵达某地。如:
We are too late; I don’t think we can make it. 我们太迟了，我想我们难以准时赶到了。
I’m really sorry, but I won’t be able to make it (on) Sunday after all. 真的很抱歉，我星期天根本赶不到。
(6) 表示约定时间。如:
Let’s make it at 8:30. Is that all right for you? 我们约定在8点半吧，这对你合适吗?
A:Shall we make it next week? 下个星期可以吗?
B:OK, let’s make it next week. 好的，咱们就定在下个星期吧。
(7) 表示病情好转。如:
The doctor knew that the patient was unlikely to make it. 医生知道那个病人没什么希望了。
He had a high fever, but it doesn’t mean be couldn’t make it. 他发高烧，但这并不意味着他挺不过去。
注意，以下make it…结构中的it为形式宾语:
I have to make it clear that my family is poor. 我得说清楚我家里很穷。
I make it a rule to write in my diary every night. 我把每晚写日记当成一种习惯。
let的用法:
注意一:用作使役动词，表示“让”，其后接不定式的复合结构时，不定式不带 to。如:
Let me have a try. 我来试一试。
Let me pay for myself. 让我自己来付我的那份钱。
If you want help, let me know, will you? 如果你需要帮助，告诉我，好吗?
注意二:用作宾语补足语的动词与副词连用时，若意思明确，往往省略动词而只保留副词。如:
Let him (come) in. 让他进来。
Let her (pass) by. 让她过去。
注意三:let 很少用于被动语态。在被动语态中可改用 allow或其他表达。如:
After questioning he was allowed to go home. 经过问讯后，他得到允许，可以回家。
leave的用法:
1. 表示“离开”，注意以下用法:
(1) 表示离开某地，leave为及物动词，后面可直接跟表示地点的名词，不要按汉语习惯在其后用from或off。如:
他离开这个国家已经两年了。
误:It is two years since he left from the country.
正:It is two years since he left the country.
另外，汉语说“离开”，英语用leave就行了，不要将其直译为leave away。
(2) 表示离开去某地，其后一般接介词for(通常不用to)，表示方向。如:
They are leaving for Paris. 他们要去巴黎了。
The plane leaves Heathrow for Orly at . 飞机于12点35分离开希思罗机场飞往奥利。
2. 表示“留下”，注意带双宾语的用法:
(1) 表示给某人留下某物，此时若双宾语交换位置，用介词 for引出间接宾语。如:
The left me no food.=They left no food for me. 他们没有给我留下食物。
Someone left you this note.=Someone left this note for you. 有人给你留下了这张条子。
(2) 表示某人死后留下某物，此时若双宾语交换位置，用介词to引出间接宾语。如:
My aunt left me a large fortune.=My aunt left a large fortune to me. 我姑妈死后给我留下一大笔财产。
3. 表示“交给”“留给”“让(处于某种状态)”等，注意以下句型:
(1) 用于 leave sth to [with] sb, 意为“把某物交给(委托给)某人”。如:
You’d better leave the matter to [with] me. 你最好把这事交给我办。
I’ll leave everything to [with] you then. 那么我就把一切都交给你了。
(2) 用于 leave sb to do sth, 意为“让某人去做某事”。如:
He left me to wash the clothes. 他让我去洗衣服。
She left me to take care of her baby. 她托我照看她的婴儿。
(3) 用于 leave sb doing sth, 意为“让某人做某事(处于做某事的状态中)”。如:
His letter left me feeling pretty bad. 他的信让我感到很难受。
They walked off and left me sitting there all by myself. 他们走开了，让我孤零零一个人坐在那儿。