1.做动词vt,意为：有 例如：我有一本书 I have a book. 2.吃午饭 have a lunch 喝茶 have a cup of tea 3.have to 意为：不得不 例如：今天是星期一,我必须去上学. Today is Monday,I have togo to school. 4.have+动词的过去分词,构成现在完成时.表示过去某一段时间发生的事情对现在造成的影响. 例如：昨天女儿生病了,我必须留在家里照看她 My daughter was ill yesterday,so I have left to take care of her.
