There is a child sitting on the chair(复数句）

There is a child over there如何改为复数句 there is a child in the room.改为复数句 There is a child in the classroom变成复数句子 There is a child in the classroom.改为复数形式 Is there a child in the room(改为复数句 ) There is a child in the room 3Q there is a child near the river改为复数句 there is a child in the park改成复数 there is a table _____three there.please sit there.中间的介词填什么 there is 还是 there are? There ( ) a teacher and a child. there is a （c ） under the tree.let is go and sit on it 现在分词作定语后置There is a child crying. 单个现在分词为什么不在名词前 there is a crying child There is no（ ） for you.A.room B.rooms C.sit D.3Q one night,they sit down for dinner and there is a knock at the door. waste.is.all.of.time.to.IT.there.sit.time.the.a连词成句 There is a child sitting behind the wall.( 划线提问这是a) There is a child sitting behind thewall.（划线提问（划得是a））特急 there might be a big dog ____ there.A sit B sat C sitting 选C 为什么 sitting前不加is