He is crying under the tree变成一般疑问句怎么说

He is crying under the tree变成一般疑问句怎么说 He is crying under the tree.转换为一般疑问句 she is crying under the tree 改成一般疑问句 He's under the tree.（改为一般疑问句） 变成否定句,一般疑问句,并作肯定和否定句.（1）there is a bike under the tree. The girl is crying 变一般疑问句 The boy is waiting for his mothe under the big tree 改成一般疑问句 The boy under the tree is hungry改成一般的疑问句和否定句 The boy under the tree is hungry 陈述句变一般疑问句 he is crying under thetree there are some girl under the tree一般疑问句 There is a boy under the tree,怎样改为疑问句