1 Maybe you are not right.

Maybe you are right.

2 I have no pens or pencils.

I have pens and pencils.

3 Neither you nor I have good habits.

Both you and I have good habits.

4 He isn"t a clerk, either.

He is a clerk, too.

5 She doesn"t often do her homework.

She often does her homework.

6 None of them knows the secret.

All of them know the secret.

7 The man hasn"t visited India yet.

The man has already visited India.

8 You"d better not go home now.

You"d better go home now.

9 There is nothing wrong with the lock.

There is something wrong with the lock

10 I don"t think he is right.

I think he is right.