have的读音音标有两种，分别是[hæv，həv]。have主要用作助动词、动词、名词，作助动词时意为“已经”，作动词时意为“有；让；拿；从事；允许”，作名词时意为“人名（哈韦；哈弗）。
一、have词性变化
第三人称单数： has
现在分词： having
过去式： had
过去分词： had
二、have词语搭配
have legs走得快 ; 有耐力
have expired已过期
have notice接到通知
They have他们有
still have还有
Have knowledge有知识
have never从来没有
Economists Have经济学家
三、have双语例句
1.We had relatively few applications for the job.
申请我们这项工作的人相对较少。
2.All the rooms have access to the Internet/ Internet access.
所有的房间都可以接入互联网。
3.The school has a very high teacher-student ratio.
这所学校的师生比例很高。
4.We had all the usual problems attendant upon starting a new business.
我们遇到了创业时通常会出现的所有问题。
5.You will always have the bad as well as the good in the world.
人生在世总是有苦有甜。
6.The two groups of children have quite different characteristics.
这两组儿童具有截然不同的特点。
