English verb conjugation
MUST TOOL

Regular verb: tool - tooled - tooled

Affirmation

Simple form	V-ing form
I must tool you must tool he must tool we must tool you must tool they must tool	I must be tooling you must be tooling he must be tooling we must be tooling you must be tooling they must be tooling
Perfect	V-ing perfect
I must have tooled you must have tooled he must have tooled we must have tooled you must have tooled they must have tooled	I must have been tooling you must have been tooling he must have been tooling we must have been tooling you must have been tooling they must have been tooling

Negation

Simple form	V-ing form
I must not tool you must not tool he must not tool we must not tool you must not tool they must not tool	I must not be tooling you must not be tooling he must not be tooling we must not be tooling you must not be tooling they must not be tooling
Perfect	V-ing perfect
I must not have tooled you must not have tooled he must not have tooled we must not have tooled you must not have tooled they must not have tooled	I must not have been tooling you must not have been tooling he must not have been tooling we must not have been tooling you must not have been tooling they must not have been tooling

Interrogative form

Simple form	V-ing form
must I tool? must you tool? must he tool? must we tool? must you tool? must they tool?	must I be tooling? must you be tooling? must he be tooling? must we be tooling? must you be tooling? must they be tooling?
Perfect	V-ing perfect
must I have tooled? must you have tooled? must he have tooled? must we have tooled? must you have tooled? must they have tooled?	must I have been tooling? must you have been tooling? must he have been tooling? must we have been tooling? must you have been tooling? must they have been tooling?

Interro-negative form

Simple form	V-ing form
must I not tool? must you not tool? must he not tool? must we not tool? must you not tool? must they not tool?	must I not be tooling? must you not be tooling? must he not be tooling? must we not be tooling? must you not be tooling? must they not be tooling?
Perfect	V-ing perfect
must I not have tooled? must you not have tooled? must he not have tooled? must we not have tooled? must you not have tooled? must they not have tooled?	must I not have been tooling? must you not have been tooling? must he not have been tooling? must we not have been tooling? must you not have been tooling? must they not have been tooling?