There were some students in the classroom(改为否定句）

There were some students in the classroom(改为否定句） There are some students in the classroom (改为否定句) 改为否定句 There are some students in the classroom. There are some students in the classroom.否定句 There were some students in the library.(改为否定句)急急急急急!… There are some plants in the classroom 改为否定句 There are some boys in the classroom 改为否定句 there were some tigers in the mountains.(改为否定句) there were some people in the street改为否定句 there were some knives in the basket.改为否定句 There were some nranges in the fridge.改为否定句 there were five students in the classroom just now改为一般疑问句和否定