we can not find him 改为肯定句i am interested in singing. 改为一般疑问句we have got to call the police. 改为否定句everyone can ride the roller coaster 改为否定句
问题描述：
we can not find him 改为肯定句
i am interested in singing. 改为一般疑问句
we have got to call the police. 改为否定句
everyone can ride the roller coaster 改为否定句
答
Am I interested in singing
We have not got to call the police
答
We can find him.
Are you interested in singing?
We don't have to call the police.
Not everyone can ride the roller coaster.
答
We can find him .Are you interested in singing?we haven't got to call the police.Nobody can ride the roller coaster .( 注意这道的否定句,不能直接在CAN 后加NOT ,因为EVERYONE 与NOT 连用表示部分否定.）如...