There is a tall tree in front of the house关于倒装句!Once there lived an old fisherman in a village by the sea.两句话是怎么倒装的,谁给我分析一下句子构成,并说明为什么这两个句子是倒装的!

there is a tall tree near the there is a tall tree our classroom 填什么 There is a tall tree across from our school 改为同义句 A tall tree _____ _____ our school tall tree there of in is front it a 连词成句 There is a tall tree next to the house 变为一般疑问句 There is a very tall tree ( ) the middle of the garden. There is a tall tree ___the two houses中间的___填什么 There is a tall tree infront of it翻译成汉语 It is a tall tree.改感叹句 It is a tall tree改感叹句 There are no houses the right,but there is a tall tree.为什么要用are而不用is? There is an 8 meters tall tree in our school. 填冠词 there is tall tree at foot of填冠词 there is tall tree at foot of hill there was a river nearby,什么some tall tree around This is a tree .The tree is tall (合并成一句) This isThis is a tree .The tree is tall (合并成一句) This is _____ ____ _____ 改错：This is a two-meters-tall tree. this tree is tall but that tree is much___(tall) ( ) There is ____________ tree in our school .A.a 8-metres-tall B.an 8-metre-tall C.an 8 metre tall 我知道是选B,可是请高人指点,为什么选B呢?