there are some hamburgers for lunch.改为否定句 there is some ___o

there are some hamburgers for lunch.改为否定句 there is some ___o There are some hamburgers on the table 改为否定句用把are 变成is吗 There are some animals.改为否定句 There are some Chinese shops there.改为否定句 They ate some hamburgers for breakfast. (改为否定句） Carol had some hamburgers for dinner改为否定句 There are some nice tomatoes here.改为否定句 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 sandwiches and milk (改为否定句 There are some clouds in the sky.改为否定句 There are some CDs onthe floor.改为否定句