Lesson 130 He can't have been...He must have been...
Was he ill or tired?
He can't have been ill.
He must have been tired.
Was it your new hat or your old one?
It can't have been my new hat.
It must have been my old one.
Was she Danish or Swedish?
She can't have been Danish.
She must have been Swedish.
Was he a dentist or a doctor?
He can't have been a dentist.
He must have been a doctor.
Was she forty or fifty?
She can't have been forty.
She must have been fifty.
Was it the 20th or the 21st yesterday?
It can't have been the 20th.
It must have been the 21st.
Was he the youngest or the oldest of all the children?
He can't have been the youngest.
He must have been the oldest.
Was he reading or sleeping?
He can't have been reading.
He must have been sleeping.
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