look there are many planes(flying)in the sky.括号里为什么这样填Look!There are many planes(flying)in the sky.括号里为什么这样填,而不是are flying?

look there are many planes(flying)in the sky.括号里为什么这样填Look!There are many planes(flying)in the sky.括号里为什么这样填,而不是are flying?
look there are many planes(flying)in the sky.括号里为什么这样填
Look!There are many planes(flying)in the sky.括号里为什么这样填,而不是are flying?

look there are many planes(flying)in the sky.括号里为什么这样填Look!There are many planes(flying)in the sky.括号里为什么这样填,而不是are flying?
注意前面有There be句型,这里不能再直接加谓语动词了,请看以下句子区别：：
Look!There are many planes flying in the sky.
Look!Many planes are flying in the sky.

这里是固定句型there are +doing 表示“有……正在做某事”
本句意思是：看，天上有许多飞机在飞。
再举个例子：There is a dog lying on the floor.地上正躺着一条狗。
希望能帮到你，祝你开心。