动词have当“有，拥有”讲，是一个及物动词。比如：You have beautiful eyes.你有美丽的眼睛。I don't have much time.我的时间不多。
have 有“吃，喝，抽（烟）”的意思。比如：When do you have lunch?你什么时候吃午饭？Have another drink.再喝一杯吧。
have可以跟something再加上宾语补足语，这些宾补多为形容词。比如：I want to have my room clean and tidy.我想把房间收拾得干净整齐。
have 名词 动词不定式，表示“有……需求”。比如：I have a family to support.我要养活一家。I have things to do.我有事要做。
have 名词 过去分词，表示“经历，遭受”，表达被动的意思。比如：He had his parents taken away for reckless driving，因为乱开车，他的执照被没收了。I had my watch stolen last night.昨晚我的表被偷了。
have后边可以跟动词不定式，即，have to表示“必须，不得不”。比如：I have to support the family.我必须供养一家人生活。
have后可以跟sb再加上省略to的动词不定式，表示“让，使”。这也是在考题中经常出现的。比如：I won't have you say such things，我不准你说这些东西。
我们常用的跟have搭配的短语有have a rest（好好休息）。比如：You are tired today. Have a good rest. 你今天累了，好好休息吧。
have a stomachache的意思是“肚子疼，肚子痛”。比如：I have a stomachache. May I have some medicine?我胃痛，能给我开点药吗？
have to be多表示“必定是，无疑是”。比如：I said you'd have to be extra careful.我说过你必须格外小心。
have something against someone的意思是“因某事而不喜欢某人，对某人有看法”。比如：I have nothing against her –- I just don’t think she is the right person for the job.我对她没有什么看法——我只是认为她不是做这件工作的合适人选。
have only to的意思是“只要……就能”。比如：I am telling the truth; you have only to ask.我说的全是真话。你们去问就是了。
短语have back表示“要回”。比如：Every moment you lie, there is another one you'll never have back, you know.你知道吗？你躺着的这一刻，过去了就不会再回来。
短语have on的意思是“穿着，戴着”，比如：He did not have on his other lucky charm, a pair of green socks.他没穿另一件吉祥物：一双绿袜子。They had their best suits on for the celebrations. 他们穿着节日盛装去参加庆祝活动。
