had have was were 怎么用
英语语法.动词前的have/had,have/had been,was/were都分别用在什么时候/环境啊?
用“have,has,had,there is,there are,there was,there were”填空.
have has had是怎么回事,什么样子时在用什么?is are(was,were)呢?
英语中is \was\ were\ be\ are\had\have\done分不清楚啥时候用
选用“have,has,had,there is,there are,there was,there were”填空.
had和was,were的区别是设么?
Had has were was的区别
英文语法我想请问 are is be was were have had in on at of for to 这些词的
怎么是用had been啊,were不可以吗?
英语中的had,was,were分别用在什么情况下?
帮忙用was/were doing .when ; be about to do.when;had just done.
怎么分辨was和were