初一英語語法——時(shí)態(tài)

　　1、一般現(xiàn)在時(shí)

　　表示普遍、經(jīng)常性的或長期性的動(dòng)作時(shí)使用一般現(xiàn)在時(shí)，它有：

　　Be 動(dòng)詞：

　　She's a worker. Is she a worker? She isn't a worker.

　　情態(tài)動(dòng)詞：

　　I can play the piano. Can you play the piano? I can't play the piano.

　　行為動(dòng)詞：

　　They want to eat some tomatoes. Do they want to eat any tomatoes?

They don't want to eat any tomatoes.

　　Gina has a nice watch. Does Gina have a nice watch? Gina doesn't have a watch.

　　2、現(xiàn)在進(jìn)行時(shí)

　　表示動(dòng)詞在此時(shí)正在發(fā)生或進(jìn)行就使用進(jìn)行時(shí)態(tài)，結(jié)構(gòu)為sb be v-ing sth + 其它.

　　I'm playing baseball. Are you playing baseball? I'm not playing baseball.

　　Nancy is writing a letter. Is Nancy writing a letter? Nancy isn't writing a letter.

　　They're listening to the pop music. Are they listening the pop music?

They aren't listening to the pop music.