Past Modal Verbs of Deduction — Exercise 2
Select the right answer to finish the sentences below.
1The lights are still on in her office. She _______ forgotten to turn them off.
2He didn’t answer any of my calls last night. He _______ been asleep.
3The window is broken, but nothing is missing. It _______ been an accident.
4She knew everyone’s name at the meeting. She _______ done her research.
5The dog is wet and muddy. It _______ been playing outside.
6He looks surprised about the news. He _______ heard it before.
7She arrived late to work. She _______ missed the bus.
8The documents are missing from the folder. Someone _______ moved them.
9He doesn’t recognize her at all. He _______ met her before.
10The roads were very wet this morning. It _______ rained overnight.