1. 表示感覺(jué)，感官的詞
see, hear, like, love, want,
2. have, has當(dāng)”擁有”講時(shí)沒(méi)有進(jìn)行時(shí)
3. 一般過(guò)去時(shí)
表示過(guò)去發(fā)生的動(dòng)作或事件， 常和表示過(guò)去的時(shí)間狀語(yǔ)連用，如yesterday, last night, the day before yesterday, 3 days ago,
含有be動(dòng)詞的句子， 將動(dòng)詞變?yōu)檫^(guò)去式，am, is的過(guò)去式為was，are的過(guò)去式為were
I was at the butcher’s.
You were a student a year ago.
The teacher was very beautiful ten years ago.
★變疑問(wèn)句將be動(dòng)詞移動(dòng)到句首
Were you at the butcher’s?
Were you a student a year ago?
Was the teacher very beautiful ten years ago?
★變否定句在be動(dòng)詞后面加not
I was not at the butcher’s.
You were not a student a year ago.
The teacher was not very beautiful ten years ago.
★肯定回答否定回答
Yes, I was. No, I was not.
Yes, you were. No, you were not.
Yes, he/she was. No, he/she was not.
★特殊疑問(wèn)句：
What did you do?
