has用于第三人称单数、可数名词单数和不可数名词作主语，have用于第一、二人称和可数名词复数作主语。时态均为现在时（包括一般现在时、现在完成时），做谓语动词和助动词。具体用法如下：
have
1. 及物动词 (possess) 有
he has {or} he has got blue eyes/dark hair
他长着蓝眼睛/黑头发
do you have {or} have you got a car/phone?
你有车/电话吗？
I have {or} I have got an idea
我有个主意
have {or} have got sth to do
有必须得做的事
she had her eyes closed
她闭上了眼睛
2. 及物动词 have breakfast (with meals，drinks) 吃早饭
have a drink/a cigarette
喝一杯/抽支烟
3. 及物动词 have a swim/bath (with activity) 游泳/洗澡
have a meeting/party
开会/开派对
4. 及物动词 (receive，obtain) 得到
can I have a packet of sugar, please?
请给我一包糖，好吗？
can I have your address?
能告诉我你的地址吗？
you can have it for £5
付5英磅它就是你的了
I must have it by tomorrow
明天以前我必须得到它
5. 及物动词 have a baby (give birth to) 生孩子
6. 及物动词 (allow) 容忍
I won't have it!
我绝不允许！
we can't have that
我们绝不允许那样
7. 及物动词 have sth done 指使/安排做某事
have one's hair cut
理发
8. 及物动词 have a headache (experience，suffer) 头痛
have a cold/flu/diabetes
得感冒/流感/糖尿病
have a heart attack
心脏病发作
have an operation
动手术
she had her bag stolen/her arm broken
她的包被偷了/她的胳膊断了
9. 及物动词 [inf] be had (dupe) 被骗
you've been had!
你被骗了！
10. 及物动词 [inf] have had it (be in trouble) 没希望了
11. 助动词 have arrived/gone 已到了/走了
has he told you?
他已经告诉你了吗？
when she had dressed, she went downstairs
穿好衣服后，她下了楼
having lived abroad for years, I wasn't familiar with...
已在国外呆了多年，我都对…不熟悉了
I haven't seen him for ages/since July
我已经很久/自7月以来就没见过他了
12. 助动词 you've done it，haven't you？ (in tag questions) 你已经做了，是不是？
he hasn't done it, has he?
他还没做，是吗？
13. 助动词 yes，I have (in short answers and questions) 是的，我有/已做了
no I haven't!
不，我还没有/没做呢！
so have I!
我也一样！
neither have I
我也没有过
"I've seen this movie before" - "oh have you?"
“我以前看过这部电影” “噢，是吗？”
"we haven't been there before" - "oh haven't you?"
“我们以前没去过那儿” “噢，是吗？”
I've finished, have you?
我已经完成了，你呢？
14. 助动词 have (got) to do sth (be obliged) 不得不做某事
she has (got) to do it
她必须得这么做
this has (got) to be a mistake
这一定是个错误
he had to go away
他必须得走
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