Modal verbs- advice, obligation, prohibition, speculation

There’s no school tomorrow, because it’s a school holiday. (HAVE)

We (a)   go to school tomorrow, because it’s a holiday.

My coach has advised me to go to football practice twice a week, if I can. (OUGHT)

My coach has said I (a)   to football practice twice a week, if I can.

It’s necessary for me to post the letter this afternoon! (MUST)

(a)   the letter this afternoon!

If we don’t run for the bus, we’ll miss it! (HAVE)

We’ll (a)   for the bus or we’ll miss it!

I don’t think it’s a good idea to drink coffee in the evening. (SHOULD)

You (a)   coffee in the evening.

You are not allowed to take photos here. (MUST)

You (a)   photos here.

Dad’s a doctor, so he works at weekends. He has no choice. (HAVE)

Dad’s a doctor, so (a)   at weekends.

John has done a lot of maths practice, so I don’t think he needs to work too hard for next week’s test. (HAVE)

John (a)   too hard for next week’s maths test, as he’s done a lot of practice already.

Karl isn’t asleep – he’s singing upstairs in his room.

Karl (a)   asleep. He’s singing upstairs in his room!

I’m sure my bag’s on the table. I left it there!

My bag (a)   on the table – I left it there!