there are some boys改成一般疑问句并做肯定和否定回答

There are some boys in my class.改一般疑问句怎么改 there are some boys behind the house.(改为一般疑问句）怎么改, There are some boys running in the playground.对some提问,对some boys提问 there are some differences between the two boys同义句 There are some boys in the classroom 改为否定句 there are some boys ----(swim) in the pool写出原因 改为一般疑问句：There are some games for boys. there are some boys( )(swim)in the river 英译汉：Also there are some boys playing ball games. there are some American Boys in chassis改为单数 There are some apples改否定句 there are some piains改一般疑问句 Some boys are playing computer and others are draw some pictures there单句改错 A number of boys are playing football over there.(改同义句)（)()()boys are playing football over there. which boys are there? Look!There ___ some boys on the playground.A.are B.is C.have如果选用have,这个句子该怎么改? There are some differences between the two boys写同义句.The two boys are ____ ____ each other Are there any boys in the playground?no,there aren't some.