Presentazione realizzata dalla docente Lucia Capitani. Istituto Comprensivo Giovanni Paolo II, Affile, a.s. 2013/14

1. Modal verbs
of
deduction

2. can
can’t
could
will /
won’t
would
shall
may
must
should
might
-

3. Is Sally at home now?

4. we use indicative tenses
to say what we know

5. I know
Sally is at home now.

6. we use modals when we
suppose, deduce, imagine

7. I suppose
Sally must be at home now.

8. the choice of modal verb says
how certain we are

9. Sally
must
will
may
might
won’t
can’t
be at home now.

10. Sally
must
will
may
might
won’t
can’t
I’m convinced
(even if I don’t
know)
be at home now.

11. I suppose
Sally
must
will
may
might
won’t
can’t
be at home now.

12. it’s possible
Sally
must
will
may
might
won’t
can’t
be at home now.

13. Sally
must
will
may
might
won’t
can’t
c.f. modal verbs
of possibility
(last lesson)
be at home now.

14. I suppose she
isn’t
Sally
must
will
may
might
won’t
can’t
be at home now.

15. Sally
must
will
may
might
won’t
can’t
I’m sure she isn’t
(even if I don’t
know)
be at home now.

16. notice the opposites

17. Sally must be at home now.
Sally can’t be at home now.

18. Sally will be at home now.
Sally won’t be at home now.

19. 1. when we don’t know

20. They
may
might
have lost my letter.

21. it’s possible that
they have lost my
letter
They
may
might
have lost my letter.

22. ‘may’ and ‘might’
mean the same
They
may
might
have lost my letter.