Which is the WRONG answer to this? A: I can't find my camera! I must've left it in the hotel! B: 1) You can't have. We searched the room before we left. 2) You might've left it in the car. Have you checked? 3) You can have left it by the bed.
'You can have left it by the bed'. 'Can' is not a modal of deduction.
They can have called already.
'Can' is not a modal of deduction.
Your great-great-great-grandfather sent you a letter.
He couldn't have sent me a letter. He died a very long time ago.
Use a past modal to say the same thing: 'It is not possible that John went home without me!'
John can't have gone home without me!
Joseph must have forget about the party.
Joseph must have forgotten about the party.
Use a past modal to say the same thing: 'I am pretty sure the burglar got in through the kitchen window.'
The burglar must have got in throught the kitchen window.
1) Drink, 2) Forget, and 3) Hide
Answer: Drunk, Forgotten, Hidden
Use a past modal to say the same thing: 'Perhaps Jane left work already.'
Jane may/might have left work already.
1) Shine, 2) Get, and 3) Become
Answer: Shone, Got, Become