English verb conjugation
MUST PERVADE

Regular verb: pervade - pervaded - pervaded

Affirmation

Simple form	V-ing form
I must pervade you must pervade she must pervade we must pervade you must pervade they must pervade	I must be pervading you must be pervading she must be pervading we must be pervading you must be pervading they must be pervading
Perfect	V-ing perfect
I must have pervaded you must have pervaded she must have pervaded we must have pervaded you must have pervaded they must have pervaded	I must have been pervading you must have been pervading she must have been pervading we must have been pervading you must have been pervading they must have been pervading

Negation

Simple form	V-ing form
I must not pervade you must not pervade she must not pervade we must not pervade you must not pervade they must not pervade	I must not be pervading you must not be pervading she must not be pervading we must not be pervading you must not be pervading they must not be pervading
Perfect	V-ing perfect
I must not have pervaded you must not have pervaded she must not have pervaded we must not have pervaded you must not have pervaded they must not have pervaded	I must not have been pervading you must not have been pervading she must not have been pervading we must not have been pervading you must not have been pervading they must not have been pervading

Interrogative form

Simple form	V-ing form
must I pervade? must you pervade? must she pervade? must we pervade? must you pervade? must they pervade?	must I be pervading? must you be pervading? must she be pervading? must we be pervading? must you be pervading? must they be pervading?
Perfect	V-ing perfect
must I have pervaded? must you have pervaded? must she have pervaded? must we have pervaded? must you have pervaded? must they have pervaded?	must I have been pervading? must you have been pervading? must she have been pervading? must we have been pervading? must you have been pervading? must they have been pervading?

Interro-negative form

Simple form	V-ing form
must I not pervade? must you not pervade? must she not pervade? must we not pervade? must you not pervade? must they not pervade?	must I not be pervading? must you not be pervading? must she not be pervading? must we not be pervading? must you not be pervading? must they not be pervading?
Perfect	V-ing perfect
must I not have pervaded? must you not have pervaded? must she not have pervaded? must we not have pervaded? must you not have pervaded? must they not have pervaded?	must I not have been pervading? must you not have been pervading? must she not have been pervading? must we not have been pervading? must you not have been pervading? must they not have been pervading?