I may forefend you may forefend he may forefend we may forefend you may forefend they may forefend
V-ing form
I may be forefending you may be forefending he may be forefending we may be forefending you may be forefending they may be forefending
Perfect
I may have forefended you may have forefended he may have forefended we may have forefended you may have forefended they may have forefended
V-ing perfect
I may have been forefending you may have been forefending he may have been forefending we may have been forefending you may have been forefending they may have been forefending
Negation
Simple form
I may not forefend you may not forefend he may not forefend we may not forefend you may not forefend they may not forefend
V-ing form
I may not be forefending you may not be forefending he may not be forefending we may not be forefending you may not be forefending they may not be forefending
Perfect
I may not have forefended you may not have forefended he may not have forefended we may not have forefended you may not have forefended they may not have forefended
V-ing perfect
I may not have been forefending you may not have been forefending he may not have been forefending we may not have been forefending you may not have been forefending they may not have been forefending
Interrogative form
Simple form
may I forefend? may you forefend? may he forefend? may we forefend? may you forefend? may they forefend?
V-ing form
may I be forefending? may you be forefending? may he be forefending? may we be forefending? may you be forefending? may they be forefending?
Perfect
may I have forefended? may you have forefended? may he have forefended? may we have forefended? may you have forefended? may they have forefended?
V-ing perfect
may I have been forefending? may you have been forefending? may he have been forefending? may we have been forefending? may you have been forefending? may they have been forefending?
Interro-negative form
Simple form
may I not forefend? may you not forefend? may he not forefend? may we not forefend? may you not forefend? may they not forefend?
V-ing form
may I not be forefending? may you not be forefending? may he not be forefending? may we not be forefending? may you not be forefending? may they not be forefending?
Perfect
may I not have forefended? may you not have forefended? may he not have forefended? may we not have forefended? may you not have forefended? may they not have forefended?
V-ing perfect
may I not have been forefending? may you not have been forefending? may he not have been forefending? may we not have been forefending? may you not have been forefending? may they not have been forefending?