I may tweak you may tweak he may tweak we may tweak you may tweak they may tweak
V-ing form
I may be tweaking you may be tweaking he may be tweaking we may be tweaking you may be tweaking they may be tweaking
Perfect
I may have tweaked you may have tweaked he may have tweaked we may have tweaked you may have tweaked they may have tweaked
V-ing perfect
I may have been tweaking you may have been tweaking he may have been tweaking we may have been tweaking you may have been tweaking they may have been tweaking
Negation
Simple form
I may not tweak you may not tweak he may not tweak we may not tweak you may not tweak they may not tweak
V-ing form
I may not be tweaking you may not be tweaking he may not be tweaking we may not be tweaking you may not be tweaking they may not be tweaking
Perfect
I may not have tweaked you may not have tweaked he may not have tweaked we may not have tweaked you may not have tweaked they may not have tweaked
V-ing perfect
I may not have been tweaking you may not have been tweaking he may not have been tweaking we may not have been tweaking you may not have been tweaking they may not have been tweaking
Interrogative form
Simple form
may I tweak? may you tweak? may he tweak? may we tweak? may you tweak? may they tweak?
V-ing form
may I be tweaking? may you be tweaking? may he be tweaking? may we be tweaking? may you be tweaking? may they be tweaking?
Perfect
may I have tweaked? may you have tweaked? may he have tweaked? may we have tweaked? may you have tweaked? may they have tweaked?
V-ing perfect
may I have been tweaking? may you have been tweaking? may he have been tweaking? may we have been tweaking? may you have been tweaking? may they have been tweaking?
Interro-negative form
Simple form
may I not tweak? may you not tweak? may he not tweak? may we not tweak? may you not tweak? may they not tweak?
V-ing form
may I not be tweaking? may you not be tweaking? may he not be tweaking? may we not be tweaking? may you not be tweaking? may they not be tweaking?
Perfect
may I not have tweaked? may you not have tweaked? may he not have tweaked? may we not have tweaked? may you not have tweaked? may they not have tweaked?
V-ing perfect
may I not have been tweaking? may you not have been tweaking? may he not have been tweaking? may we not have been tweaking? may you not have been tweaking? may they not have been tweaking?