may tweak
Regular verb: tweak - tweaked- tweaked

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't tweak
you mayn't tweak
she mayn't tweak
we mayn't tweak
you mayn't tweak
they mayn't tweak 	I mayn't be tweaking
you mayn't be tweaking
she mayn't be tweaking
we mayn't be tweaking
you mayn't be tweaking
they mayn't be tweaking	I mayn't have tweaked
you mayn't have tweaked
she mayn't have tweaked
we mayn't have tweaked
you mayn't have tweaked
they mayn't have tweaked	I mayn't have been tweaking
you mayn't have been tweaking
she mayn't have been tweaking
we mayn't have been tweaking
you mayn't have been tweaking
they mayn't have been tweaking	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I tweak?
mayn't you tweak?
mayn't she tweak?
mayn't we tweak?
mayn't you tweak?
mayn't they tweak? 	mayn't I be tweaking?
mayn't you be tweaking?
mayn't she be tweaking?
mayn't we be tweaking?
mayn't you be tweaking?
mayn't they be tweaking? 	mayn't I have tweaked?
mayn't you have tweaked?
mayn't she have tweaked?
mayn't we have tweaked?
mayn't you have tweaked?
mayn't they have tweaked? 	mayn't I have been tweaking?
mayn't you have been tweaking?
mayn't she have been tweaking?
mayn't we have been tweaking?
mayn't you have been tweaking?
mayn't they have been tweaking?