将下列肯定句变成否定句（英语）
1.There is a cat under the table.改：
2.I usually climbmountains on the weekend.改：
3.Tim swims very well.改：
4.Tom and i go the library every saturday.改：
5.I want to piay with my friends.改：
6.There are some books on my desk.改：
7.Tom is listen to the teather.改：
8.I can watch tv on sunday.改：
9.Read in bed.改：
10.He will come here tomorrow.改：