English verb conjugation
MAY THICKEN

Regular verb: thicken - thickened - thickened

Affirmation

Simple form	V-ing form
I may thicken you may thicken she may thicken we may thicken you may thicken they may thicken	I may be thickening you may be thickening she may be thickening we may be thickening you may be thickening they may be thickening
Perfect	V-ing perfect
I may have thickened you may have thickened she may have thickened we may have thickened you may have thickened they may have thickened	I may have been thickening you may have been thickening she may have been thickening we may have been thickening you may have been thickening they may have been thickening

Negation

Simple form	V-ing form
I mayn't thicken you mayn't thicken she mayn't thicken we mayn't thicken you mayn't thicken they mayn't thicken	I mayn't be thickening you mayn't be thickening she mayn't be thickening we mayn't be thickening you mayn't be thickening they mayn't be thickening
Perfect	V-ing perfect
I mayn't have thickened you mayn't have thickened she mayn't have thickened we mayn't have thickened you mayn't have thickened they mayn't have thickened	I mayn't have been thickening you mayn't have been thickening she mayn't have been thickening we mayn't have been thickening you mayn't have been thickening they mayn't have been thickening

Interrogative form

Simple form	V-ing form
may I thicken? may you thicken? may she thicken? may we thicken? may you thicken? may they thicken?	may I be thickening? may you be thickening? may she be thickening? may we be thickening? may you be thickening? may they be thickening?
Perfect	V-ing perfect
may I have thickened? may you have thickened? may she have thickened? may we have thickened? may you have thickened? may they have thickened?	may I have been thickening? may you have been thickening? may she have been thickening? may we have been thickening? may you have been thickening? may they have been thickening?

Interro-negative form

Simple form	V-ing form
mayn't I thicken? mayn't you thicken? mayn't she thicken? mayn't we thicken? mayn't you thicken? mayn't they thicken?	mayn't I be thickening? mayn't you be thickening? mayn't she be thickening? mayn't we be thickening? mayn't you be thickening? mayn't they be thickening?
Perfect	V-ing perfect
mayn't I have thickened? mayn't you have thickened? mayn't she have thickened? mayn't we have thickened? mayn't you have thickened? mayn't they have thickened?	mayn't I have been thickening? mayn't you have been thickening? mayn't she have been thickening? mayn't we have been thickening? mayn't you have been thickening? mayn't they have been thickening?