I'm sure that’s Emma’s sister. She looks just like Emma! SHE.....
She must be Emma's sister
I’m sure John knows about this! JOHN....
John must know about this
I'm sure that that woman isn't Andy’s mother. SHE...
She can't be Andy's mother
Today is her birthday. SHE...
eg. She must be happy
You've just eaten 2 plates of pasta. YOU....eg.
eg. You can't be hungry
I'm not sure but It's possible Anna is Italian. ANNA ...
Anna might be Italian
Maybe John isn't a Harry Potter fan. JOHN....
John might not be a Harry Potter fan
Marc failed all his exams. I'm sure his parents are furious. MARC'S PARENTS...
Marc's parents must be furious
It's possible that she's speaking to her boyfriend. SHE....
She might be speaking to her boyfriend
My brother isn't answering his phone. It's possible he is driving home. MY BROTHER...
My brother might be driving home
We've only walked 2 kms. It's impossible that you are tired. YOU...
You can't be tired
