English verb conjugation
MAY DESCEND

Regular verb: descend - descended - descended

Affirmation

Simple form	V-ing form
I may descend you may descend he may descend we may descend you may descend they may descend	I may be descending you may be descending he may be descending we may be descending you may be descending they may be descending
Perfect	V-ing perfect
I may have descended you may have descended he may have descended we may have descended you may have descended they may have descended	I may have been descending you may have been descending he may have been descending we may have been descending you may have been descending they may have been descending

Negation

Simple form	V-ing form
I mayn't descend you mayn't descend he mayn't descend we mayn't descend you mayn't descend they mayn't descend	I mayn't be descending you mayn't be descending he mayn't be descending we mayn't be descending you mayn't be descending they mayn't be descending
Perfect	V-ing perfect
I mayn't have descended you mayn't have descended he mayn't have descended we mayn't have descended you mayn't have descended they mayn't have descended	I mayn't have been descending you mayn't have been descending he mayn't have been descending we mayn't have been descending you mayn't have been descending they mayn't have been descending

Interrogative form

Simple form	V-ing form
may I descend? may you descend? may he descend? may we descend? may you descend? may they descend?	may I be descending? may you be descending? may he be descending? may we be descending? may you be descending? may they be descending?
Perfect	V-ing perfect
may I have descended? may you have descended? may he have descended? may we have descended? may you have descended? may they have descended?	may I have been descending? may you have been descending? may he have been descending? may we have been descending? may you have been descending? may they have been descending?

Interro-negative form

Simple form	V-ing form
mayn't I descend? mayn't you descend? mayn't he descend? mayn't we descend? mayn't you descend? mayn't they descend?	mayn't I be descending? mayn't you be descending? mayn't he be descending? mayn't we be descending? mayn't you be descending? mayn't they be descending?
Perfect	V-ing perfect
mayn't I have descended? mayn't you have descended? mayn't he have descended? mayn't we have descended? mayn't you have descended? mayn't they have descended?	mayn't I have been descending? mayn't you have been descending? mayn't he have been descending? mayn't we have been descending? mayn't you have been descending? mayn't they have been descending?