6. Write negative forms and all possible questions for these sentences.
a. We often go to the beach in summer.
b. Tom will be here on 3.30.
c. We went to bed late last night.
d. I have presented this book to my Mam.
e. She has been learning English for 3 years.
a.We often doesn't go to the beach in summerb.Tom won't(will not) be here on 3:30c. We stayed up late last nightd.I haven't presented this book to my Mome.She hasn't been learning English for 3 years