1. You're waiting for a woman — I thought as much.
2. I thought as much when I saw his face.
3. I thought as much when you were late in coming.
4. Yes, I thought as much, as I had tried to clear my space from the 'off' mood I awoke in!
5. I thought as much.
6. So they found out he'd been cheating. I thought as much.
7. I must confess I felt a trifle guilty about your lonely watch: nothing to report? I thought as much.