English verb conjugation
MUST WHISK

Regular verb: whisk - whisked - whisked

Affirmation

Simple form	V-ing form
I must whisk you must whisk he must whisk we must whisk you must whisk they must whisk	I must be whisking you must be whisking he must be whisking we must be whisking you must be whisking they must be whisking
Perfect	V-ing perfect
I must have whisked you must have whisked he must have whisked we must have whisked you must have whisked they must have whisked	I must have been whisking you must have been whisking he must have been whisking we must have been whisking you must have been whisking they must have been whisking

Negation

Simple form	V-ing form
I must not whisk you must not whisk he must not whisk we must not whisk you must not whisk they must not whisk	I must not be whisking you must not be whisking he must not be whisking we must not be whisking you must not be whisking they must not be whisking
Perfect	V-ing perfect
I must not have whisked you must not have whisked he must not have whisked we must not have whisked you must not have whisked they must not have whisked	I must not have been whisking you must not have been whisking he must not have been whisking we must not have been whisking you must not have been whisking they must not have been whisking

Interrogative form

Simple form	V-ing form
must I whisk? must you whisk? must he whisk? must we whisk? must you whisk? must they whisk?	must I be whisking? must you be whisking? must he be whisking? must we be whisking? must you be whisking? must they be whisking?
Perfect	V-ing perfect
must I have whisked? must you have whisked? must he have whisked? must we have whisked? must you have whisked? must they have whisked?	must I have been whisking? must you have been whisking? must he have been whisking? must we have been whisking? must you have been whisking? must they have been whisking?

Interro-negative form

Simple form	V-ing form
must I not whisk? must you not whisk? must he not whisk? must we not whisk? must you not whisk? must they not whisk?	must I not be whisking? must you not be whisking? must he not be whisking? must we not be whisking? must you not be whisking? must they not be whisking?
Perfect	V-ing perfect
must I not have whisked? must you not have whisked? must he not have whisked? must we not have whisked? must you not have whisked? must they not have whisked?	must I not have been whisking? must you not have been whisking? must he not have been whisking? must we not have been whisking? must you not have been whisking? must they not have been whisking?