English verb conjugation
MAY QUICKEN

Regular verb: quicken - quickened - quickened

Affirmation

Simple form	V-ing form
I may quicken you may quicken he may quicken we may quicken you may quicken they may quicken	I may be quickening you may be quickening he may be quickening we may be quickening you may be quickening they may be quickening
Perfect	V-ing perfect
I may have quickened you may have quickened he may have quickened we may have quickened you may have quickened they may have quickened	I may have been quickening you may have been quickening he may have been quickening we may have been quickening you may have been quickening they may have been quickening

Negation

Simple form	V-ing form
I mayn't quicken you mayn't quicken he mayn't quicken we mayn't quicken you mayn't quicken they mayn't quicken	I mayn't be quickening you mayn't be quickening he mayn't be quickening we mayn't be quickening you mayn't be quickening they mayn't be quickening
Perfect	V-ing perfect
I mayn't have quickened you mayn't have quickened he mayn't have quickened we mayn't have quickened you mayn't have quickened they mayn't have quickened	I mayn't have been quickening you mayn't have been quickening he mayn't have been quickening we mayn't have been quickening you mayn't have been quickening they mayn't have been quickening

Interrogative form

Simple form	V-ing form
may I quicken? may you quicken? may he quicken? may we quicken? may you quicken? may they quicken?	may I be quickening? may you be quickening? may he be quickening? may we be quickening? may you be quickening? may they be quickening?
Perfect	V-ing perfect
may I have quickened? may you have quickened? may he have quickened? may we have quickened? may you have quickened? may they have quickened?	may I have been quickening? may you have been quickening? may he have been quickening? may we have been quickening? may you have been quickening? may they have been quickening?

Interro-negative form

Simple form	V-ing form
mayn't I quicken? mayn't you quicken? mayn't he quicken? mayn't we quicken? mayn't you quicken? mayn't they quicken?	mayn't I be quickening? mayn't you be quickening? mayn't he be quickening? mayn't we be quickening? mayn't you be quickening? mayn't they be quickening?
Perfect	V-ing perfect
mayn't I have quickened? mayn't you have quickened? mayn't he have quickened? mayn't we have quickened? mayn't you have quickened? mayn't they have quickened?	mayn't I have been quickening? mayn't you have been quickening? mayn't he have been quickening? mayn't we have been quickening? mayn't you have been quickening? mayn't they have been quickening?