Complete the second sentence in each pair to mean the same as the first. Use modals in the past.
1 He can't have been at home.
He must have been out.
2 I shouldn't have refused the invitation.
I ________________ accepted the invitation.
3 She may not have passed the exam.
She ________________ failed the exam.
4 They must have arrived late.
They ________________ arrived early.
5 You can't have switched the TV off.
You ________________ left the TV on.
6 We should have paid by credit card.
We ________________ paid with cash.
7 They couldn't have stolen the car during the day.
They ________________ stolen the car at night.
8 The pilot might not have died in the accident.
The pilot ________________ survived the accident.
2 I shouldn't have refused the invitation.
(Lẽ ra tôi không nên từ chối lời mời.)
I should have accepted the invitation.
(Lẽ ra tôi nên nhận lời.)
3 She may not have passed the exam.
(Cô ấy có thể đã không vượt qua kỳ thi.)
She might have failed the exam.
(Cô ấy có thể đã trượt kỳ thi.)
4 They must have arrived late.
(Chắc hẳn họ đã đến muộn.)
They couldn't have arrived early.
(Họ không thể đến sớm.)
5 You can't have switched the TV off.
(Bạn không thể tắt TV.)
You must have left the TV on.
(Bạn chắc chắn đã để TV mở.)
6 We should have paid by credit card.
(Lẽ ra chúng tôi nên thanh toán bằng thẻ tín dụng.)
We shouldn’t have paid with cash.
(Lẽ ra chúng tôi không nên trả bằng tiền mặt.)
7 They couldn't have stolen the car during the day.
(Họ không thể lấy cắp chiếc xe vào ban ngày.)
They must have stolen the car at night.
(Họ chắc chắn đã đánh cắp chiếc xe vào ban đêm.)
8 The pilot might not have died in the accident.
(Phi công có thể đã không chết trong vụ tai nạn.)
The pilot could have survived the accident.
(Phi công có thể đã sống sót sau vụ tai nạn.)
