You ..................... study everyday

• Can

• Must

• Are

The Town Hall ..................... a new street to Alberto Navarro

• should dedicate

• shall dedicating

• should to dedicate

There’s nothing in the fridge. They ..................... all

• Must have eaten

• Must has ate

• Must had eaten

You ..................... the receipt here please

• can put

• must put

• shall put

I ..................... quit smoking

• wills

• haves to

• have to

Present Obligation

• Had to, need to and mustn’t

• Have to, needs to and must

• Have to, need to and must

Past Obligation

• had to

• has to

• haved to

No Obligation in the present

• do have to

• don’t have to

• didn’t have to

No Obligation in the past

• didn’t have to

• mustn’t

• doesn’t have to

Prohibition

• mustn’t

• Should

• Can’t