English verb conjugation MUST UNDERLINE

Regular verb: underline - underlined - underlined

Affirmation

Simple form

I must underline
you must underline
he must underline
we must underline
you must underline
they must underline

V-ing form

I must be underlining
you must be underlining
he must be underlining
we must be underlining
you must be underlining
they must be underlining

Perfect

I must have underlined
you must have underlined
he must have underlined
we must have underlined
you must have underlined
they must have underlined

V-ing perfect

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

Negation

Simple form

I mustn't underline
you mustn't underline
he mustn't underline
we mustn't underline
you mustn't underline
they mustn't underline

V-ing form

I mustn't be underlining
you mustn't be underlining
he mustn't be underlining
we mustn't be underlining
you mustn't be underlining
they mustn't be underlining

Perfect

I mustn't have underlined
you mustn't have underlined
he mustn't have underlined
we mustn't have underlined
you mustn't have underlined
they mustn't have underlined

V-ing perfect

I mustn't have been underlining
you mustn't have been underlining
he mustn't have been underlining
we mustn't have been underlining
you mustn't have been underlining
they mustn't have been underlining

Interrogative form

Simple form

must I underline?
must you underline?
must he underline?
must we underline?
must you underline?
must they underline?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I underline?
mustn't you underline?
mustn't he underline?
mustn't we underline?
mustn't you underline?
mustn't they underline?

V-ing form

mustn't I be underlining?
mustn't you be underlining?
mustn't he be underlining?
mustn't we be underlining?
mustn't you be underlining?
mustn't they be underlining?

Perfect

mustn't I have underlined?
mustn't you have underlined?
mustn't he have underlined?
mustn't we have underlined?
mustn't you have underlined?
mustn't they have underlined?

V-ing perfect

mustn't I have been underlining?
mustn't you have been underlining?
mustn't he have been underlining?
mustn't we have been underlining?
mustn't you have been underlining?
mustn't they have been underlining?

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