We have bought a new computer.变被动语态：A new computer have been bought.
错
举一反三
- 将句子 I bought a new bike just now. (用just改写) 变成为 I have just bought a new bike.
- Should I _____ a new computer? A: bought B: buy C: to buy D: buying
- I have bought the new dress since last month.
- What the new competitors have done to compete against MontaVista（） A: They have employed new masters. B: They have combined together. C: They have bought modern technology.
- This is a _______ computer, which we just bought for our research.
内容
- 0
My father ____<br/>a new computer for me last month. A: buy B: buys C: is buying D: bought
- 1
When ____ you ____ your new car? A: have; bought B: do; buy C: did; buy D: had; bought
- 2
Do you have any difficulty ______ (design) this new computer program
- 3
Prices of daily goods ________ through a computer can be lower than store prices A: which are bought B: bought C: been bought D: buying
- 4
I lost the book I _______. A: have bought B: bought C: had bought D: had been bought