将下列所给的句子改成否定句
问题描述：
将下列所给的句子改成否定句
1.the kite is a circle.
2.the twins can dance very well.
3.liu tao does his homework every day.
4.the children play football after school on friday afternoon.
5.uncle wang worked on saturdays and sundays two years ago.
答
1.the kite is not a circle.
2.the twins can not dance very well.
3.liu tao doesn‘ t do his homework every day.
4.the children do not play football after school on friday afternoon.
5.uncle wang didn't work on saturdays and sundays two years ago.