（一）10种时态
1.一般现在时
She often buys clothes.她经常买衣服。
2.一般过去时
She bought a new coat yesterday.昨天她买了一件新衣服。
3.一般将来时
She will buy a new coat tomorrow.明天她要买一件新衣服。
4.现在完成时
she has just bought a new coat.她刚买了一件新衣服。
5.现在进行时
She is buying a new coat now 她正在买一件新衣服。
6.过去进行时。
She was buying a new coat at 8 yesterday morning.昨天上午8点她正在买一件新衣服。
7。过去将来时
She said she would buy a coat next day.她说第二天她要买一件新衣服。
8.过去完成时
She had bought a new coat by the end of last term.到上期为止，她买了一个件新衣服。
9.现在将来完成时
She will have bought a new coat by next Sunday.到下周星期天她要买一件新衣服。
10.过去将来完成时
She said she will have bought a new coat她说她要买了一件新衣服。
（二）7种被动语态
1.A new coat is often bought by her.（一般现在时）
2.A new coat will be bought.（一般将来时）
3.A new coat was boght yesterday.（一般过去时）
4.A new coat has already been nought.（现在完成时）
5.A new coat is being bought.（现在进行时）
6.A new coat had been bought by the end of ladt tetm.（过去完成时）
7.A new coat would be bought （过去将来时）
