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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST THEORISE

Regular verb: theorise - theorised - theorised


Affirmation

Simple form
I must theorise
you must theorise
she must theorise
we must theorise
you must theorise
they must theorise
V-ing form
I must be theorising
you must be theorising
she must be theorising
we must be theorising
you must be theorising
they must be theorising
Perfect
I must have theorised
you must have theorised
she must have theorised
we must have theorised
you must have theorised
they must have theorised
V-ing perfect
I must have been theorising
you must have been theorising
she must have been theorising
we must have been theorising
you must have been theorising
they must have been theorising

Negation

Simple form
I must not theorise
you must not theorise
she must not theorise
we must not theorise
you must not theorise
they must not theorise
V-ing form
I must not be theorising
you must not be theorising
she must not be theorising
we must not be theorising
you must not be theorising
they must not be theorising
Perfect
I must not have theorised
you must not have theorised
she must not have theorised
we must not have theorised
you must not have theorised
they must not have theorised
V-ing perfect
I must not have been theorising
you must not have been theorising
she must not have been theorising
we must not have been theorising
you must not have been theorising
they must not have been theorising

Interrogative form

Simple form
must I theorise?
must you theorise?
must she theorise?
must we theorise?
must you theorise?
must they theorise?
V-ing form
must I be theorising?
must you be theorising?
must she be theorising?
must we be theorising?
must you be theorising?
must they be theorising?
Perfect
must I have theorised?
must you have theorised?
must she have theorised?
must we have theorised?
must you have theorised?
must they have theorised?
V-ing perfect
must I have been theorising?
must you have been theorising?
must she have been theorising?
must we have been theorising?
must you have been theorising?
must they have been theorising?

Interro-negative form

Simple form
must I not theorise?
must you not theorise?
must she not theorise?
must we not theorise?
must you not theorise?
must they not theorise?
V-ing form
must I not be theorising?
must you not be theorising?
must she not be theorising?
must we not be theorising?
must you not be theorising?
must they not be theorising?
Perfect
must I not have theorised?
must you not have theorised?
must she not have theorised?
must we not have theorised?
must you not have theorised?
must they not have theorised?
V-ing perfect
must I not have been theorising?
must you not have been theorising?
must she not have been theorising?
must we not have been theorising?
must you not have been theorising?
must they not have been theorising?