English verb conjugation
MUST DISK

Regular verb: disk - disked - disked

Affirmation

Simple form	V-ing form
I must disk you must disk he must disk we must disk you must disk they must disk	I must be disking you must be disking he 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 he 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 he 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 he 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 he 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 he 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 he 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 he disk? must we disk? must you disk? must they disk?	must I be disking? must you be disking? must he 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 he 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 he 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 he 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 he 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 he 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 he not have been disking? must we not have been disking? must you not have been disking? must they not have been disking?