He bought a new house last year.该为否定句

He wanted to bought a new book. He bought a new car是什么时态 He have already bought a new bike改错 he bought a new bike last week (改为否定句) He uncle bought him a new toy car.[同义] He said ,“I bought a new bike yesterday. ----He said he had bought a new bike the day before.宾语从句中yesterday为何变为the day before? he'll use what he has (to buy)her a new dress.为什么不是bought He bought a new c___,so that he can take photos with it. He bought a pen. he`ll use what she has ____her a new dress 1.bought 2.to buy 3.buying 4.been bought A new bike was bought for him 还是 has been bought for him after he enteredthe senior middle school. A new bike was bought for him还是 has been bought for him after he entered the key senior middleschool. Tom told us that he the new bicycle last week?A buys B bought C has bought Dhad bought 请说明理由书中答案选C 为什么 He bought a new house last year.该为否定句 He has just bought a new house in the city.（改为被动） he bought _____ vase yesterday .A.a big new yelllow .B,a new big yellow C.a yellow big new可我觉得 应该是A呀, he said he (C) the new bike for over ten days A.has bought B.has had C.had bought D.had had 原因是只要原因 有关被动语态的问题His mother bought him a new coat.变被动1.He was bought a new coat by his mother.2.A new coat was bought for him by his mother.但是第一句He was bought a new coat by his mother.我有点看不懂,可以这么变吗?