1. I am late for school from time to time.

Question

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.)

Answer 1

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.