English verb conjugation
MUST RETOOL

Regular verb: retool - retooled - retooled

Affirmation

Simple form	V-ing form
I must retool you must retool he must retool we must retool you must retool they must retool	I must be retooling you must be retooling he must be retooling we must be retooling you must be retooling they must be retooling
Perfect	V-ing perfect
I must have retooled you must have retooled he must have retooled we must have retooled you must have retooled they must have retooled	I must have been retooling you must have been retooling he must have been retooling we must have been retooling you must have been retooling they must have been retooling

Negation

Simple form	V-ing form
I must not retool you must not retool he must not retool we must not retool you must not retool they must not retool	I must not be retooling you must not be retooling he must not be retooling we must not be retooling you must not be retooling they must not be retooling
Perfect	V-ing perfect
I must not have retooled you must not have retooled he must not have retooled we must not have retooled you must not have retooled they must not have retooled	I must not have been retooling you must not have been retooling he must not have been retooling we must not have been retooling you must not have been retooling they must not have been retooling

Interrogative form

Simple form	V-ing form
must I retool? must you retool? must he retool? must we retool? must you retool? must they retool?	must I be retooling? must you be retooling? must he be retooling? must we be retooling? must you be retooling? must they be retooling?
Perfect	V-ing perfect
must I have retooled? must you have retooled? must he have retooled? must we have retooled? must you have retooled? must they have retooled?	must I have been retooling? must you have been retooling? must he have been retooling? must we have been retooling? must you have been retooling? must they have been retooling?

Interro-negative form

Simple form	V-ing form
must I not retool? must you not retool? must he not retool? must we not retool? must you not retool? must they not retool?	must I not be retooling? must you not be retooling? must he not be retooling? must we not be retooling? must you not be retooling? must they not be retooling?
Perfect	V-ing perfect
must I not have retooled? must you not have retooled? must he not have retooled? must we not have retooled? must you not have retooled? must they not have retooled?	must I not have been retooling? must you not have been retooling? must he not have been retooling? must we not have been retooling? must you not have been retooling? must they not have been retooling?