You mustn’t wear a tie to work if you are an English teacher. It’s just not necessary.
You don’t have to wear a tie to work if you are an English teacher.
Look at this baby. So cute! He’s standing all by himself for 5 minutes.
He has been standing all by himself for 5 minutes.
Miss, what did you do yesterday at 5 when your brother was attacked?
Miss, what were you doing yesterday at 5 when your brother was attacked?
Watch out! This car is hitting you!
This car is going to hit you!
Bobby said he won’t join us because he has no money.
Bobby said he wouldn’t join us because he had no money.
Andrew looked at the title of the book and realized that he read this book before.
Andrew looked at the title of the book and realized that he had read this book before.
We will have a birthday party tomorrow. We’ve already ordered food and invited all the guests.
We are having a birthday party tomorrow. We’ve already ordered food and invited all the guests.
He supposed to study hard to enter the university.
He is supposed to study hard to enter the university.
