English verb conjugation
MAY CROSS-CHECK

Regular verb: cross-check - cross-checked - cross-checked

Affirmation

Simple form	V-ing form
I may cross-check you may cross-check he may cross-check we may cross-check you may cross-check they may cross-check	I may be cross-checking you may be cross-checking he may be cross-checking we may be cross-checking you may be cross-checking they may be cross-checking
Perfect	V-ing perfect
I may have cross-checked you may have cross-checked he may have cross-checked we may have cross-checked you may have cross-checked they may have cross-checked	I may have been cross-checking you may have been cross-checking he may have been cross-checking we may have been cross-checking you may have been cross-checking they may have been cross-checking

Negation

Simple form	V-ing form
I mayn't cross-check you mayn't cross-check he mayn't cross-check we mayn't cross-check you mayn't cross-check they mayn't cross-check	I mayn't be cross-checking you mayn't be cross-checking he mayn't be cross-checking we mayn't be cross-checking you mayn't be cross-checking they mayn't be cross-checking
Perfect	V-ing perfect
I mayn't have cross-checked you mayn't have cross-checked he mayn't have cross-checked we mayn't have cross-checked you mayn't have cross-checked they mayn't have cross-checked	I mayn't have been cross-checking you mayn't have been cross-checking he mayn't have been cross-checking we mayn't have been cross-checking you mayn't have been cross-checking they mayn't have been cross-checking

Interrogative form

Simple form	V-ing form
may I cross-check? may you cross-check? may he cross-check? may we cross-check? may you cross-check? may they cross-check?	may I be cross-checking? may you be cross-checking? may he be cross-checking? may we be cross-checking? may you be cross-checking? may they be cross-checking?
Perfect	V-ing perfect
may I have cross-checked? may you have cross-checked? may he have cross-checked? may we have cross-checked? may you have cross-checked? may they have cross-checked?	may I have been cross-checking? may you have been cross-checking? may he have been cross-checking? may we have been cross-checking? may you have been cross-checking? may they have been cross-checking?

Interro-negative form

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