English verb conjugation
MAY PLOUGH

Regular verb: plough - ploughed - ploughed

Affirmation

Simple form	V-ing form
I may plough you may plough he may plough we may plough you may plough they may plough	I may be ploughing you may be ploughing he may be ploughing we may be ploughing you may be ploughing they may be ploughing
Perfect	V-ing perfect
I may have ploughed you may have ploughed he may have ploughed we may have ploughed you may have ploughed they may have ploughed	I may have been ploughing you may have been ploughing he may have been ploughing we may have been ploughing you may have been ploughing they may have been ploughing

Negation

Simple form	V-ing form
I may not plough you may not plough he may not plough we may not plough you may not plough they may not plough	I may not be ploughing you may not be ploughing he may not be ploughing we may not be ploughing you may not be ploughing they may not be ploughing
Perfect	V-ing perfect
I may not have ploughed you may not have ploughed he may not have ploughed we may not have ploughed you may not have ploughed they may not have ploughed	I may not have been ploughing you may not have been ploughing he may not have been ploughing we may not have been ploughing you may not have been ploughing they may not have been ploughing

Interrogative form

Simple form	V-ing form
may I plough? may you plough? may he plough? may we plough? may you plough? may they plough?	may I be ploughing? may you be ploughing? may he be ploughing? may we be ploughing? may you be ploughing? may they be ploughing?
Perfect	V-ing perfect
may I have ploughed? may you have ploughed? may he have ploughed? may we have ploughed? may you have ploughed? may they have ploughed?	may I have been ploughing? may you have been ploughing? may he have been ploughing? may we have been ploughing? may you have been ploughing? may they have been ploughing?

Interro-negative form

Simple form	V-ing form
may I not plough? may you not plough? may he not plough? may we not plough? may you not plough? may they not plough?	may I not be ploughing? may you not be ploughing? may he not be ploughing? may we not be ploughing? may you not be ploughing? may they not be ploughing?
Perfect	V-ing perfect
may I not have ploughed? may you not have ploughed? may he not have ploughed? may we not have ploughed? may you not have ploughed? may they not have ploughed?	may I not have been ploughing? may you not have been ploughing? may he not have been ploughing? may we not have been ploughing? may you not have been ploughing? may they not have been ploughing?