按要求改写句子 there are twelve moths in a year变一般疑问句 —— —— twelve months in a year?
he has two balls under his bed用there be 句型改写
—— —— —— ——under his bed
there is some milk in the bottle改为否定句
——　——　——milk in the bottle
there are 56students in the classroom 对划线部分提问 56是划线部分
—— —— students—— —— in the classroom?
there isn‘t any apples on the table 便肯定句
—— ————apples on the table