who bought a new bike yesterday?疑问句中动词不是用原型嘛?为什么这里用bought而不是
who bought a new bike yesterday?疑问句中动词不是用原型嘛?为什么这里用bought而不是
I have just bought a new bike 这里为什么用bought
为什么是Who bought a new car?而不是Who did buy a new car?
I bought a new bike yesterday.(改为否定句和一般疑问句)
they bought a new bike the day before yesterday.一般疑问句
"They bought a new bike yesterday."对"They"提问.
Who bought the sweater?谁买了这件毛衣呢?在这里为什么用的是who bought而不是who di
bought a new bike just now.用just改写
为什么“I bought a book ."变为疑问句时动词为原型“buy”
The boy bought a new bike.改一般疑问句
为什么用buy而不是bought
( )( )( ) (用这些钱),he bought a bike.