I. Transform the sentences. USe modals.
1. Perhaps Frank is swimming now. ____________________________________________________________
2. I am sure David won the game. ______________________________________________________________
3. It’s obvious that they like swimming. _________________________________________________________
4. Frank didn”t help his parents which was wrong. ________________________________________________
5. They didn’t do homework because it was unnecessary. __________________________________________
6. They didn’t have to do their homework but they did. ____________________________________________
7. Perhaps they didn’t talk to Mary. ____________________________________________________________
8. I am sure she bought a car. _________________________________________________________________
9. It’s certain she didn’t sell her house. __________________________________________________________
10. It’s obvious Kate isn’t working now. ___________________________________________________________
II. Transform the sentences. Use the words in capital letters.
1. They didn’t go swimming because it was unnecessary. TO
They ________________________________________________________________ swimming.
2. You aren’t allowed to ride a bike here. MUSTN’T
You _________________________________________________________________ here.
3 . It’s certain they are studying hard. BE
They ________________________________________________________________________ hard.
4.Frank didn’t go to the doctor which was wrong. GONE
Frank ________________________________________________________________________ to the doctor.
5. They sent an email but it wasn’t necessary. HAVE
They ___________________________________________________________________________ an email.
6. Maybe Susan visited her parents. HAVE
Susan ____________________________________________________________________________ her.
7. Maybe they don’t speak English. MIGHT
They ___________________________________________________________________________ English.

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