You should enter the building. | | |
You don’t have to enter the building. | | |
You could enter the building. | | |
You must enter the building. | | |
You had to enter the building. | | |
You mustn’t enter the building. | | |
You shouldn't enter the building. | | |
You will have to be able to enter the building. | | |
You didn't have to enter the building. | | |
You will have to enter the building. | | |