English verb conjugation
MAY CROSS

Regular verb: cross - crossed - crossed

Affirmation

Simple form	V-ing form
I may cross you may cross he may cross we may cross you may cross they may cross	I may be crossing you may be crossing he may be crossing we may be crossing you may be crossing they may be crossing
Perfect	V-ing perfect
I may have crossed you may have crossed he may have crossed we may have crossed you may have crossed they may have crossed	I may have been crossing you may have been crossing he may have been crossing we may have been crossing you may have been crossing they may have been crossing

Negation

Simple form	V-ing form
I mayn't cross you mayn't cross he mayn't cross we mayn't cross you mayn't cross they mayn't cross	I mayn't be crossing you mayn't be crossing he mayn't be crossing we mayn't be crossing you mayn't be crossing they mayn't be crossing
Perfect	V-ing perfect
I mayn't have crossed you mayn't have crossed he mayn't have crossed we mayn't have crossed you mayn't have crossed they mayn't have crossed	I mayn't have been crossing you mayn't have been crossing he mayn't have been crossing we mayn't have been crossing you mayn't have been crossing they mayn't have been crossing

Interrogative form

Simple form	V-ing form
may I cross? may you cross? may he cross? may we cross? may you cross? may they cross?	may I be crossing? may you be crossing? may he be crossing? may we be crossing? may you be crossing? may they be crossing?
Perfect	V-ing perfect
may I have crossed? may you have crossed? may he have crossed? may we have crossed? may you have crossed? may they have crossed?	may I have been crossing? may you have been crossing? may he have been crossing? may we have been crossing? may you have been crossing? may they have been crossing?

Interro-negative form

Simple form	V-ing form
mayn't I cross? mayn't you cross? mayn't he cross? mayn't we cross? mayn't you cross? mayn't they cross?	mayn't I be crossing? mayn't you be crossing? mayn't he be crossing? mayn't we be crossing? mayn't you be crossing? mayn't they be crossing?
Perfect	V-ing perfect
mayn't I have crossed? mayn't you have crossed? mayn't he have crossed? mayn't we have crossed? mayn't you have crossed? mayn't they have crossed?	mayn't I have been crossing? mayn't you have been crossing? mayn't he have been crossing? mayn't we have been crossing? mayn't you have been crossing? mayn't they have been crossing?