modal verbs for deduction

1. Type the correct answer into the gap.must can't might 1. She isn't answering the phone. She must be out.2. They can't be Spanish, they're speaking Portuguese.3. He might have a job interview today - he's waiting to hear from the company.4. He drives an expensive car. He must have a good job.5. It's too early to have finished the exam. He can't have finished.6. Sara's very busy. She might not be able to come tonight. 2. Choose the correct option:1. Paul is behaving in a very unusual way. I think he _ again. can't drink can be drinking might be drinking 2. I think there _ a mistake in your tax return. You should check it can't be might be may be 3. If Suzan said that, it _ true. She never lies. might be must be can be 4. Sorry, but I'm not Connor. You _ me for someone else. might be confusing must confuse must be confusing 5. I'm not sure I trust Peter. He _ the person we think he is. might not be can't be must not be 6. You have walked for ten hours. You _ exhausted. can be can' t be must be 7. He _ his twin brother, they look completely different. might be can't be mustn´t be 8. There's a bit of traffic, so I _ arrive in time might not must not should not 3. Fill in the gaps with verbs for deduction in present or in past. DO NOT USE CONTRACTIONS: MUST NOT (HAVE), CANNOT (HAVE), MAY NOT (HAVE), SHOULD NOT (HAVE) 1. You should not have shouted (shout) at him. He'll never forgive you.2. He cannot have known (know) it was your birthday. Otherwise, I'm sure he would have wished you a happy day.3. He cannot have bought (buy) a new car. He doesn't have any money.4. The boss is in a terrible mood. The meeting cannot have been (be) good.5. I left my bicycle in front of the library and it's disappeared. Someone must have stolen (steal) it.6. Clara is very upset with you . You should apologise (apologise) for saying she was lazy.7. Andrew did no revision for the exam but he's passed. I think he might have cheated (cheat)8. She must have studied (study) really hard. She passed all her exams with excellent grades.9. I'm sorry but Samantha isn't here. I´m not sure but she might be (be) in the office.10. You should not have tried (try) to fix the roof yourself. You might have fallen off and been badly injured.11. Sarah must have been (be) very happy when she found out she was being promoted. 12. He must arrive (arrive) soon. It's only a 20 minute journey and he left an hour ago.13. The concert was fantastic. You really should have come (come) with me. 4. Rewrite the sentences with modals for deduction (in present or past) . Use the word given. 1. I’m sure he’s not Michael Jackson. He died a few years ago!BEHe can’t be Michael Jackson because he died a few years ago.2. He looks so pale that I’m sure he has seen a ghost.MUSTHe must have seen a ghost because now he looks very pale.3. I think Alice worked at a hotel last summer, but I’m not sure.MIGHTAlice might have worked at a hotel last summer.4. Jana speaks excellent Finnish so I’m sure she’s lived in Finland at some point.HAVEJana must have lived in Finland at some point because she speaks excellent Finnish.5. Adam is so loud now that I’m sure he wasn’t a quiet child!BEENAdam can’t have been a quiet child because he’s so loud now.6. She is so scared of dogs, that maybe a dog bit her when she was little.BITTENShe is so scared of dogs that she must have been bitten by a dog when she was little.7. I know he wasn’t in London on Saturday because I saw him in Newcastle.HAVEHe can’t have been in London on Saturday because I saw him in Newcastle.