English verb conjugation MUST UNDERFEED

Irregular verb: underfeed - underfed - underfed

Affirmation

Simple form

I must underfeed
you must underfeed
he must underfeed
we must underfeed
you must underfeed
they must underfeed

V-ing form

I must be underfeeding
you must be underfeeding
he must be underfeeding
we must be underfeeding
you must be underfeeding
they must be underfeeding

Perfect

I must have underfed
you must have underfed
he must have underfed
we must have underfed
you must have underfed
they must have underfed

V-ing perfect

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

Negation

Simple form

I must not underfeed
you must not underfeed
he must not underfeed
we must not underfeed
you must not underfeed
they must not underfeed

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I underfeed?
must you underfeed?
must he underfeed?
must we underfeed?
must you underfeed?
must they underfeed?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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