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

English verb conjugation MUST SUCK

Regular verb: suck - sucked - sucked


Affirmation

Simple form
I must suck
you must suck
she must suck
we must suck
you must suck
they must suck
V-ing form
I must be sucking
you must be sucking
she must be sucking
we must be sucking
you must be sucking
they must be sucking
Perfect
I must have sucked
you must have sucked
she must have sucked
we must have sucked
you must have sucked
they must have sucked
V-ing perfect
I must have been sucking
you must have been sucking
she must have been sucking
we must have been sucking
you must have been sucking
they must have been sucking

Negation

Simple form
I mustn't suck
you mustn't suck
she mustn't suck
we mustn't suck
you mustn't suck
they mustn't suck
V-ing form
I mustn't be sucking
you mustn't be sucking
she mustn't be sucking
we mustn't be sucking
you mustn't be sucking
they mustn't be sucking
Perfect
I mustn't have sucked
you mustn't have sucked
she mustn't have sucked
we mustn't have sucked
you mustn't have sucked
they mustn't have sucked
V-ing perfect
I mustn't have been sucking
you mustn't have been sucking
she mustn't have been sucking
we mustn't have been sucking
you mustn't have been sucking
they mustn't have been sucking

Interrogative form

Simple form
must I suck?
must you suck?
must she suck?
must we suck?
must you suck?
must they suck?
V-ing form
must I be sucking?
must you be sucking?
must she be sucking?
must we be sucking?
must you be sucking?
must they be sucking?
Perfect
must I have sucked?
must you have sucked?
must she have sucked?
must we have sucked?
must you have sucked?
must they have sucked?
V-ing perfect
must I have been sucking?
must you have been sucking?
must she have been sucking?
must we have been sucking?
must you have been sucking?
must they have been sucking?

Interro-negative form

Simple form
mustn't I suck?
mustn't you suck?
mustn't she suck?
mustn't we suck?
mustn't you suck?
mustn't they suck?
V-ing form
mustn't I be sucking?
mustn't you be sucking?
mustn't she be sucking?
mustn't we be sucking?
mustn't you be sucking?
mustn't they be sucking?
Perfect
mustn't I have sucked?
mustn't you have sucked?
mustn't she have sucked?
mustn't we have sucked?
mustn't you have sucked?
mustn't they have sucked?
V-ing perfect
mustn't I have been sucking?
mustn't you have been sucking?
mustn't she have been sucking?
mustn't we have been sucking?
mustn't you have been sucking?
mustn't they have been sucking?