There is a tree in front of our classroom.(改为否定句)

There is a small car in the tree.What is there in the tree?如果说是 There is a bird on the tree.on the tree or in the tree there is a monkey in the tree 【 a monkey提问】 There is a bird in the tree 改为一般过去式 判断对错.there is a tree in the picture There is a tree in the garden.改为复数句 there is a bird in the tree变为复数形式 There is a kite __ (in,on）the tree There is a balloon in the tree 改为复数句 There is a bird____[sing]in the tree there is a child in the tree． ( )（ ）（ ）are under the tree快 there is an apple in the tree . there is a bird ——the tree. there are some apples ——the tree（in on at） There is a little bird in the tree.对a提问___ ___ little ___ ___ ___ in the tree. There is a bird in the tree.对划线a提问（ ）（）（）（）（）in the tree. Look,there is a bird（）that tree.A in B on C atLook,there is a bird（）that tree.A in B on C at in a big box in front of the tree,there is a cat.怎么翻译? In the tree there is a bird .可以改为:There is a bird in the tree .这2句有什么区别?