Modals of Deduction

My purse isn't in my pocket. It...

• must be in my bag.

• must in my bag.

• must'n be in my bag.

I can’t remember what Jason does at university. He could study geography or…

• he may not study geology.

• he might study geology.

• he must study geology.

‘Is that Mr Jones?’

• "No, that can't be him. Mr Jones wears glasses"

• "No, that must be him. Mr Jones wears glasses"

• "No, that mustn't be him. Mr Jones wears glasses"

Maybe talking to Mark will help you solve the problem.

• Talking to Mark might help.

• Talking to Mark must help.

• Talking to Mark can't help.

My passport ___ be in that drawer. I’ve already looked there three times.

• Can't

• May not

• Mustn't

I’m sure that’s not Jack’s car. His car’s red.

That_____ Jack’s car. His car’s red.

I’m sure that’s Ellen’s sister. They look so alike.

That ______ Ellen’s sister. They look so alike.

Maybe Susan has the report.

Susan ______ the report.