Write the sentences using past modal forms to express deduction about the past: must have / can’t have / might have + V3 (ed) Example: Susan left a highly paid and successful job. She must have had a reason for doing that.

He hard for his exams because his results were very good. (study)

They the instructions because they looked confused. (not understand)

She home late last night because she was very tired this morning. (get)

they to the wrong place? (go)

If he had understood the consequences, he the email.(write)​