Ответ:

1) I spend much time online ( affirmative)

I don't spend much time online. ( negative)

2) He goes to the cinema on Friday. ( affirmative)

He doesn't go to the cinema on Friday. ( negative)

3) She wears jeans to school. ( affirmative)

She doesn't wear jeans to school. ( negative)

4) They study French. ( affirmative)

They don't study French. ( negative)

5) He listens to music. ( affirmative)

He doesn't listen to music. ( negative)

6) He likes tennis. ( affirmative)

He doesn't like tennis. ( negative)