English verb conjugation
MUST STRIKE

Irregular verb: strike - struck - struck, stricken

Affirmation

Simple form	V-ing form
I must strike you must strike he must strike we must strike you must strike they must strike	I must be striking you must be striking he must be striking we must be striking you must be striking they must be striking
Perfect	V-ing perfect
I must have struck, stricken you must have struck, stricken he must have struck, stricken we must have struck, stricken you must have struck, stricken they must have struck, stricken	I must have been striking you must have been striking he must have been striking we must have been striking you must have been striking they must have been striking

Negation

Simple form	V-ing form
I must not strike you must not strike he must not strike we must not strike you must not strike they must not strike	I must not be striking you must not be striking he must not be striking we must not be striking you must not be striking they must not be striking
Perfect	V-ing perfect
I must not have struck, stricken you must not have struck, stricken he must not have struck, stricken we must not have struck, stricken you must not have struck, stricken they must not have struck, stricken	I must not have been striking you must not have been striking he must not have been striking we must not have been striking you must not have been striking they must not have been striking

Interrogative form

Simple form	V-ing form
must I strike? must you strike? must he strike? must we strike? must you strike? must they strike?	must I be striking? must you be striking? must he be striking? must we be striking? must you be striking? must they be striking?
Perfect	V-ing perfect
must I have struck, stricken? must you have struck, stricken? must he have struck, stricken? must we have struck, stricken? must you have struck, stricken? must they have struck, stricken?	must I have been striking? must you have been striking? must he have been striking? must we have been striking? must you have been striking? must they have been striking?

Interro-negative form

Simple form	V-ing form
must I not strike? must you not strike? must he not strike? must we not strike? must you not strike? must they not strike?	must I not be striking? must you not be striking? must he not be striking? must we not be striking? must you not be striking? must they not be striking?
Perfect	V-ing perfect
must I not have struck, stricken? must you not have struck, stricken? must he not have struck, stricken? must we not have struck, stricken? must you not have struck, stricken? must they not have struck, stricken?	must I not have been striking? must you not have been striking? must he not have been striking? must we not have been striking? must you not have been striking? must they not have been striking?