Modal verbs - CERTAINTY/POSSIBILTY

She's so elegant. I'm sure she is going to a party. SHE'S SO ELEGANT. SHE _______ TO A PARTY.

Perhaps he had been trying to contact you. HE _______ TO CONTACT YOU.

It's impossible that Stanley paid so much for this old car. STANLEY ______ SO MUCH FOR THIS OLD CAR.

I'm convinced that she was lying to you. SHE _________ TO YOU.

Perhaps John is studying at the moment. JOHN ____________ AT THE MOMENT.

It's possible that you left your tablet on the bus. YOU _________ YOUR TABLET ON THE BUS.

It is hardly possible that she comes from Portugal. SHE ______ FROM PORTUGAL.