I may tug you may tug she may tug we may tug you may tug they may tug
V-ing form
I may be tugging you may be tugging she may be tugging we may be tugging you may be tugging they may be tugging
Perfect
I may have tugged you may have tugged she may have tugged we may have tugged you may have tugged they may have tugged
V-ing perfect
I may have been tugging you may have been tugging she may have been tugging we may have been tugging you may have been tugging they may have been tugging
Negation
Simple form
I may not tug you may not tug she may not tug we may not tug you may not tug they may not tug
V-ing form
I may not be tugging you may not be tugging she may not be tugging we may not be tugging you may not be tugging they may not be tugging
Perfect
I may not have tugged you may not have tugged she may not have tugged we may not have tugged you may not have tugged they may not have tugged
V-ing perfect
I may not have been tugging you may not have been tugging she may not have been tugging we may not have been tugging you may not have been tugging they may not have been tugging
Interrogative form
Simple form
may I tug? may you tug? may she tug? may we tug? may you tug? may they tug?
V-ing form
may I be tugging? may you be tugging? may she be tugging? may we be tugging? may you be tugging? may they be tugging?
Perfect
may I have tugged? may you have tugged? may she have tugged? may we have tugged? may you have tugged? may they have tugged?
V-ing perfect
may I have been tugging? may you have been tugging? may she have been tugging? may we have been tugging? may you have been tugging? may they have been tugging?
Interro-negative form
Simple form
may I not tug? may you not tug? may she not tug? may we not tug? may you not tug? may they not tug?
V-ing form
may I not be tugging? may you not be tugging? may she not be tugging? may we not be tugging? may you not be tugging? may they not be tugging?
Perfect
may I not have tugged? may you not have tugged? may she not have tugged? may we not have tugged? may you not have tugged? may they not have tugged?
V-ing perfect
may I not have been tugging? may you not have been tugging? may she not have been tugging? may we not have been tugging? may you not have been tugging? may they not have been tugging?