There are Christmas lights in the tree.(改为一般疑问句）

There are Christmas lights in the tree.(改为一般疑问句） 英语怎样把一个句子改成一般疑问句.如：There are Christmas lights in the tree There are some birds in the tree改为一般疑问句 There are some apples on the tree.改为一般疑问句 there are some monkeys in the tree改为一般疑问句和否定句 There were some birda in the tree.(改为一般疑问句) 题：There are trees near the house.(改为一般疑问句）.（ ） there ( )tree some birds are singing in the tree.改为一般疑问句 There are some apples in the tree一般疑问句 There are five birds in the tree改为疑问句 There are some birds in the tree.改为一般疑问 There are some birds in that tall tree.(改为一般疑问句)________ther