sb and sb be going to 什么时候用are 和is?

sb and sb be going to 什么时候用are 和is? sb with sb +is sb and sb +are 什么时候be+形容词+for sb,什么时候be+形容词+to sb sb and sb是用are还是is 用It is+adj for sb.to do sth.和let sb do sth和be late for be la sb is going to be doing sth=sb will be doing sth 某人将做某事 对某人 什么时候用to sb.什么时候用 for sb. Both sb.and sb.后接is还是are sb with sb+is sb and be kind to sb 和 to be got married to sb 和 be married to sb区别 marry sb和be married to sb.有什麽区别