Replace model verbs in the sentences below with their equivalents: have to, be to, should, ought to, need. 1. the stranger couldn’t explain anything. 2. your child must not stay at home alone. 3. can you solve this problem? 4. you may take any picture. 5. couldn’t you run this distance more quickly? 6. the operators might work in our lab. 7. who can translate this text? 8. they must attend all lectures. 9. may i go to the cinema tomorrow? 10. we must meet at 9 o’clock. 11. can ann’s parents help her?

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