1. It's Sunday morning, so my friend Simmon can't be at home. She's probably go away with her boyfriend.
2. He could be playing football. He's always at soccer club every the weekend.
3. She must be feeling wonderful. I knew she just got first class honor.
It's pretty cold outside, so he might be wearing a sweater. He can't be wearing shorts - that's for sure.
It's pretty rain outside, so she might be wearing a raincoat. She can't be wearing vest.