English verb conjugation
MUST TWEAK

Regular verb: tweak - tweaked - tweaked

Affirmation

Simple form	V-ing form
I must tweak you must tweak she must tweak we must tweak you must tweak they must tweak	I must be tweaking you must be tweaking she must be tweaking we must be tweaking you must be tweaking they must be tweaking
Perfect	V-ing perfect
I must have tweaked you must have tweaked she must have tweaked we must have tweaked you must have tweaked they must have tweaked	I must have been tweaking you must have been tweaking she must have been tweaking we must have been tweaking you must have been tweaking they must have been tweaking

Negation

Simple form	V-ing form
I must not tweak you must not tweak she must not tweak we must not tweak you must not tweak they must not tweak	I must not be tweaking you must not be tweaking she must not be tweaking we must not be tweaking you must not be tweaking they must not be tweaking
Perfect	V-ing perfect
I must not have tweaked you must not have tweaked she must not have tweaked we must not have tweaked you must not have tweaked they must not have tweaked	I must not have been tweaking you must not have been tweaking she must not have been tweaking we must not have been tweaking you must not have been tweaking they must not have been tweaking

Interrogative form

Simple form	V-ing form
must I tweak? must you tweak? must she tweak? must we tweak? must you tweak? must they tweak?	must I be tweaking? must you be tweaking? must she be tweaking? must we be tweaking? must you be tweaking? must they be tweaking?
Perfect	V-ing perfect
must I have tweaked? must you have tweaked? must she have tweaked? must we have tweaked? must you have tweaked? must they have tweaked?	must I have been tweaking? must you have been tweaking? must she have been tweaking? must we have been tweaking? must you have been tweaking? must they have been tweaking?

Interro-negative form

Simple form	V-ing form
must I not tweak? must you not tweak? must she not tweak? must we not tweak? must you not tweak? must they not tweak?	must I not be tweaking? must you not be tweaking? must she not be tweaking? must we not be tweaking? must you not be tweaking? must they not be tweaking?
Perfect	V-ing perfect
must I not have tweaked? must you not have tweaked? must she not have tweaked? must we not have tweaked? must you not have tweaked? must they not have tweaked?	must I not have been tweaking? must you not have been tweaking? must she not have been tweaking? must we not have been tweaking? must you not have been tweaking? must they not have been tweaking?