English verb conjugation
MUST PLAGUE

Regular verb: plague - plagued - plagued

Affirmation

Simple form	V-ing form
I must plague you must plague he must plague we must plague you must plague they must plague	I must be plaguing you must be plaguing he must be plaguing we must be plaguing you must be plaguing they must be plaguing
Perfect	V-ing perfect
I must have plagued you must have plagued he must have plagued we must have plagued you must have plagued they must have plagued	I must have been plaguing you must have been plaguing he must have been plaguing we must have been plaguing you must have been plaguing they must have been plaguing

Negation

Simple form	V-ing form
I must not plague you must not plague he must not plague we must not plague you must not plague they must not plague	I must not be plaguing you must not be plaguing he must not be plaguing we must not be plaguing you must not be plaguing they must not be plaguing
Perfect	V-ing perfect
I must not have plagued you must not have plagued he must not have plagued we must not have plagued you must not have plagued they must not have plagued	I must not have been plaguing you must not have been plaguing he must not have been plaguing we must not have been plaguing you must not have been plaguing they must not have been plaguing

Interrogative form

Simple form	V-ing form
must I plague? must you plague? must he plague? must we plague? must you plague? must they plague?	must I be plaguing? must you be plaguing? must he be plaguing? must we be plaguing? must you be plaguing? must they be plaguing?
Perfect	V-ing perfect
must I have plagued? must you have plagued? must he have plagued? must we have plagued? must you have plagued? must they have plagued?	must I have been plaguing? must you have been plaguing? must he have been plaguing? must we have been plaguing? must you have been plaguing? must they have been plaguing?

Interro-negative form

Simple form	V-ing form
must I not plague? must you not plague? must he not plague? must we not plague? must you not plague? must they not plague?	must I not be plaguing? must you not be plaguing? must he not be plaguing? must we not be plaguing? must you not be plaguing? must they not be plaguing?
Perfect	V-ing perfect
must I not have plagued? must you not have plagued? must he not have plagued? must we not have plagued? must you not have plagued? must they not have plagued?	must I not have been plaguing? must you not have been plaguing? must he not have been plaguing? must we not have been plaguing? must you not have been plaguing? must they not have been plaguing?