have
1. have sb do sth
(1) 叫(请，使)某人做某事。如：
I’ll have her post the letter. 我要叫她去寄信。
He had his son clean the car. 他叫他的儿子擦车。
(2) 容忍或允许某人做某事(用于否定句，尤与 won’t, can’t连用)。如：
I won’t have you tell me what to do. 我不能让你对我做的事指手划脚。
2. have sb (sth) doing sth
(1) 使(让)某人(某事物)一直做在做某事。如：
He had the light burning all night. 他让灯亮了一整夜。
Within minutes he had the whole audience laughing and clapping. 没出几分钟他就让全体听众笑起来，鼓起掌来。
(2) 容忍或允许某人做某事(用于否定句，尤与 won’t, can’t连用)。如：
He won’t have boys arriving late. 他不允许孩子们迟到。
I won’t have you smoking at your age. 我不能让你在这个年纪就抽烟。
(3) 说服或命令某人做某事。如：
He had me doing all kinds of jobs for her. 他叫我为她做各种事情。
3. have sth done
(1) 请(让)别人做某事。如：
We had the machine repaired. 我们请人修理了机器。
Why don’t you have your hair cut? 你为什么不理发?
注：有时指无意志的行为。如：
He had his salary raised. 他加薪了。
(2) 经历或遭遇某情况。如：
He had his finger cut. 他的手指弄伤了。
I had my watch stolen yesterday. 我的表昨天被人偷去了。
(3) 完成或解决某事。如：
He had 1000 yuan saved last year. 他去年存了1000元。
I’ve had all my mistakes corrected. 我已把所有的错误都改正过来了。
(4) 容忍或允许做某事(用于否定句，尤与 won’t, can’t 等连用)。如：
We won’t have anything said against the Party. 我们不允许有人这样攻击党。
4. have sth to do 有某事要做。如：
I have a lot of work to do. 我有许多工作要做。
She has plenty of clothes to wear. 她有足够的衣服穿。
5. have on
(1) 穿着，戴着。如：
He had nothing on except a hat. 他身上一丝不挂，只是戴了顶帽子。
(2) 有安排，有计划，有活动。如：
I have nothing on for tonight. 我今晚没什么事。
(3) 戏弄，欺骗。如：
You won? You’re not having me on? 你赢了? 没骗我吧?
health
1. be good for one’s health 对某人身体有好处。如：
Walking is good for the health. 散步对健康有益。
Milk is good for your health. 喝牛奶对你的身体有好处。
2. be in good (poor) health 身体好(不好)。如：
They are in good in health. 他们身体都很好。
He has been in poor health for years. 他多年身体不好。
3. have alive. 要是他还活着就好了。
If only he could arrive in time. 要是他能及时赶来就好了!
注：用于此义时，通常连用虚拟语气，但有时也用陈述语气。如：
If only he comes. 要是他能来就好了。
If only he gets the job, it will make a great deal ofdifference. 他只要能得到这份工作，情况就大不相同了。
