English verb conjugation
MUST DISK

Regular verb: disk - disked - disked

Affirmation

Simple form	V-ing form
I must disk you must disk she must disk we must disk you must disk they must disk	I must be disking you must be disking she must be disking we must be disking you must be disking they must be disking
Perfect	V-ing perfect
I must have disked you must have disked she must have disked we must have disked you must have disked they must have disked	I must have been disking you must have been disking she must have been disking we must have been disking you must have been disking they must have been disking

Negation

Simple form	V-ing form
I must not disk you must not disk she must not disk we must not disk you must not disk they must not disk	I must not be disking you must not be disking she must not be disking we must not be disking you must not be disking they must not be disking
Perfect	V-ing perfect
I must not have disked you must not have disked she must not have disked we must not have disked you must not have disked they must not have disked	I must not have been disking you must not have been disking she must not have been disking we must not have been disking you must not have been disking they must not have been disking

Interrogative form

Simple form	V-ing form
must I disk? must you disk? must she disk? must we disk? must you disk? must they disk?	must I be disking? must you be disking? must she be disking? must we be disking? must you be disking? must they be disking?
Perfect	V-ing perfect
must I have disked? must you have disked? must she have disked? must we have disked? must you have disked? must they have disked?	must I have been disking? must you have been disking? must she have been disking? must we have been disking? must you have been disking? must they have been disking?

Interro-negative form

Simple form	V-ing form
must I not disk? must you not disk? must she not disk? must we not disk? must you not disk? must they not disk?	must I not be disking? must you not be disking? must she not be disking? must we not be disking? must you not be disking? must they not be disking?
Perfect	V-ing perfect
must I not have disked? must you not have disked? must she not have disked? must we not have disked? must you not have disked? must they not have disked?	must I not have been disking? must you not have been disking? must she not have been disking? must we not have been disking? must you not have been disking? must they not have been disking?