There are some computers in this school改为否定句

There are some computers in this school改为否定句 There are some new students in our school this term.(改为否定句） There are some new buildings in our school.（改为否定句）There?new There are some tree in front of the school改为否定句 there are some new teachers in our school.改为否定句 There are some art rooms in our school.(改为否定句) __ There are some children in front of the school gate.改为否定句 There are some art rooms in our school.(改为否定句) Th there were some computers in this room（否定句,一般疑问句及两种回答） There are some students in the classroom (改为否定句) there are some bird in tree（改为否定句） There are some clouds in the sky.改为否定句