posted by John .
1. I am late for school from time to time.
I will come to school earlier.
I will come to school on time.
2. I don't exercise regularly.
I will take exercise regularly.
I will exercise at times.
3. I don't help Mother clean the house.
I will help her clean the house.
I will try to help my mother clean the house.
4. I don't study hard.
I will study hard.
I will pay attention to study.
5. I go to a PC room too often.
I will not go to a PC room too often.
I won't go to PC room any more.
6. I go to a singing room sometimes.
I won't to go to a singing room at all.
I will never go to a singing room.
7. I make noises in the classroom.
I won't make noises in the classroom.
I will be quiet in the classroom.
(Would you check the sentences? Are they all grammatical? If any errors, correct them, please.)
1 is fine.
2 -- I'd remove the word "take" in the second sentence.
3 & 4 are fine.
5 -- Add "a" or "the" before "PC" in the third sentence.
6 -- Do you mean that the room sings? Or that it's a room where singing occurs?
7 -- I'd change "noises" to "noise" in the first two sentences.