1、概念：表示將要發(fā)生的動(dòng)作或存在的狀態(tài)及打算、計(jì)劃或準(zhǔn)備做某事。句中一般有以下時(shí)間狀語(yǔ)：tomorrow, next day(week, month, year…),soon, the day after tomorrow（后天）等。

2、基本結(jié)構(gòu)：

①be going to + do。

②will+ do。

3、否定句：在be動(dòng)詞（am, is, are）l后加not或情態(tài)動(dòng)詞will后加not成won't。

例如：I'm going to have a picnic this afternoon.→ I'm not going to have a picnic this afternoon。

4、一般疑問(wèn)句： be或will提到句首，some改為any, and改為or，第一二人稱互換。

例如：We are going to go on an outing this weekend. → Are you going to go on an outing this weekend。