male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation MAY KNOCK
Regular verb: knock - knocked - knocked
Affirmation
Simple form
I may knockyou may knock
she may knock
we may knock
you may knock
they may knock
V-ing form
I may be knockingyou may be knocking
she may be knocking
we may be knocking
you may be knocking
they may be knocking
Perfect
I may have knockedyou may have knocked
she may have knocked
we may have knocked
you may have knocked
they may have knocked
V-ing perfect
I may have been knockingyou may have been knocking
she may have been knocking
we may have been knocking
you may have been knocking
they may have been knocking
Negation
Simple form
I mayn't knockyou mayn't knock
she mayn't knock
we mayn't knock
you mayn't knock
they mayn't knock
V-ing form
I mayn't be knockingyou mayn't be knocking
she mayn't be knocking
we mayn't be knocking
you mayn't be knocking
they mayn't be knocking
Perfect
I mayn't have knockedyou mayn't have knocked
she mayn't have knocked
we mayn't have knocked
you mayn't have knocked
they mayn't have knocked
V-ing perfect
I mayn't have been knockingyou mayn't have been knocking
she mayn't have been knocking
we mayn't have been knocking
you mayn't have been knocking
they mayn't have been knocking
Interrogative form
Simple form
may I knock?may you knock?
may she knock?
may we knock?
may you knock?
may they knock?
V-ing form
may I be knocking?may you be knocking?
may she be knocking?
may we be knocking?
may you be knocking?
may they be knocking?
Perfect
may I have knocked?may you have knocked?
may she have knocked?
may we have knocked?
may you have knocked?
may they have knocked?
V-ing perfect
may I have been knocking?may you have been knocking?
may she have been knocking?
may we have been knocking?
may you have been knocking?
may they have been knocking?
Interro-negative form
Simple form
mayn't I knock?mayn't you knock?
mayn't she knock?
mayn't we knock?
mayn't you knock?
mayn't they knock?
V-ing form
mayn't I be knocking?mayn't you be knocking?
mayn't she be knocking?
mayn't we be knocking?
mayn't you be knocking?
mayn't they be knocking?
Perfect
mayn't I have knocked?mayn't you have knocked?
mayn't she have knocked?
mayn't we have knocked?
mayn't you have knocked?
mayn't they have knocked?
V-ing perfect
mayn't I have been knocking?mayn't you have been knocking?
mayn't she have been knocking?
mayn't we have been knocking?
mayn't you have been knocking?
mayn't they have been knocking?