English verb conjugation MUST DUMB

Regular verb: dumb - dumbed - dumbed

Affirmation

Simple form

I must dumb
you must dumb
he must dumb
we must dumb
you must dumb
they must dumb

V-ing form

I must be dumbing
you must be dumbing
he must be dumbing
we must be dumbing
you must be dumbing
they must be dumbing

Perfect

I must have dumbed
you must have dumbed
he must have dumbed
we must have dumbed
you must have dumbed
they must have dumbed

V-ing perfect

I must have been dumbing
you must have been dumbing
he must have been dumbing
we must have been dumbing
you must have been dumbing
they must have been dumbing

Negation

Simple form

I must not dumb
you must not dumb
he must not dumb
we must not dumb
you must not dumb
they must not dumb

V-ing form

I must not be dumbing
you must not be dumbing
he must not be dumbing
we must not be dumbing
you must not be dumbing
they must not be dumbing

Perfect

I must not have dumbed
you must not have dumbed
he must not have dumbed
we must not have dumbed
you must not have dumbed
they must not have dumbed

V-ing perfect

I must not have been dumbing
you must not have been dumbing
he must not have been dumbing
we must not have been dumbing
you must not have been dumbing
they must not have been dumbing

Interrogative form

Simple form

must I dumb?
must you dumb?
must he dumb?
must we dumb?
must you dumb?
must they dumb?

V-ing form

must I be dumbing?
must you be dumbing?
must he be dumbing?
must we be dumbing?
must you be dumbing?
must they be dumbing?

Perfect

must I have dumbed?
must you have dumbed?
must he have dumbed?
must we have dumbed?
must you have dumbed?
must they have dumbed?

V-ing perfect

must I have been dumbing?
must you have been dumbing?
must he have been dumbing?
must we have been dumbing?
must you have been dumbing?
must they have been dumbing?

Interro-negative form

Simple form

must I not dumb?
must you not dumb?
must he not dumb?
must we not dumb?
must you not dumb?
must they not dumb?

V-ing form

must I not be dumbing?
must you not be dumbing?
must he not be dumbing?
must we not be dumbing?
must you not be dumbing?
must they not be dumbing?

Perfect

must I not have dumbed?
must you not have dumbed?
must he not have dumbed?
must we not have dumbed?
must you not have dumbed?
must they not have dumbed?

V-ing perfect

must I not have been dumbing?
must you not have been dumbing?
must he not have been dumbing?
must we not have been dumbing?
must you not have been dumbing?
must they not have been dumbing?

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