Grammar File 3
Choose an exercise below.
- Lesson A must, have to, should (obligation) (1)
- Lesson A must, have to, should (obligation) (2)
- Lesson B must, may, might, can't (deduction) (1)
- Lesson B must, may, might, can't (deduction) (2)
- Lesson C can, could, be able to (ability and possibility) (1)
- Lesson C can, could, be able to (ability and possibility) (2)
