I fell asleep while I watched TV.
I fell asleep while I was watching TV.
Why you did call me when I was at work?
Why did you call me when I was at work?
She send me roses yesterday.
She sent me roses yesterday.
I was listening to music while he opened the door.
I was listening to music when he opened the door.
My friend sometimes go to the gym.
My friend sometimes goes to the gym.
If we will be late, they will be angry.
If we are late, they will be angry.
Did your siblings visited you last night?
Did your siblings visit you last night?
I went to store before school.
I went to the store before school.
Look! It is snow.
Look! It is snowing.
If I am a child, I would play outside.
If I were a child, I would play outside.
I can go to the party in Saturday.
I can go to the party on Saturday.
How much apples do you need?
How many apples do you need?
I have not an iPhone.
I do not have an iPhone.
If the world ended tomorrow, I will be very sad.
If the world ended tomorrow, I would be very sad.
Lee afraid of snakes.
Lee is afraid of snakes.
The students have a good time in class today.
The students are having a good time in class today.
My father is thinking that I should stop smoking.
My father thinks that I should stop smoking.
Everyone have seen that movie.
Everyone has seen that movie.
I have not ate anything today.
I have not eaten anything today.
I still did my homework at 10.30 pm last night.
I was still doing my homework at 10.30 pm last night.
I haven't ever been to Korea.
I haven't been to Korea / I have never been to Korea.
It is raining when I got home last night.
It was raining when I got home last night.
I have lived in Canada since 10 months.
I have lived in Canada for 10 months.
I go to home last night at 10 pm.
I went home last night at 10 pm.