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Modal Verbs
agarwolkenstein
Created on February 28, 2021
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Transcript
Ana Agar
MODAL VERBS
What are modal verbs?
When do we use modal verbs?
What are the rules for modal verbs?
He musts
Iyou he she must it we they
1. SAME FORM FOR ALL PERSONS
They don't can... Does she must?
or... should I?
I shouldn't...
I should...
2. NO AUXILIARY VERB FOR NEGATIVE AND INTERROGATIVE FORMS
EXCEPTIONS!!!!
I must to go now
3. MODAL VERBS ARE FOLLOWED BY INFINITIVE WITHOUT TO
could
could
can
should
must
been
was/were
am/is/are
to be
PAST PARTICIPLE
PAST
PRESENT
INFINITIVE
4. THEY ONLY HAVE ONE TENSE: PRESENT OR PAST
MUST/HAVE TO obligation But... what is the difference???
MODAL VERBS
meaning
Have to (tener que) Must (deber)
must
had to
had to
have/has to
to have to
PAST PARTICIPLE
PAST
PRESENT
INFINITIVE
use
grammar
Have to is a normal verbMust is a modal verb
Have to: external obligationsMust: personal obligations
could
could
Be able to is the verb to be, a normal verbCan/Could are modal verbs
can
been able to
was/were able to
am/is/are able to
to be able to
PAST PARTICIPLE
PAST
PRESENT
INFINITIVE
To be continued...