I may invalidate you may invalidate she may invalidate we may invalidate you may invalidate they may invalidate
V-ing form
I may be invalidating you may be invalidating she may be invalidating we may be invalidating you may be invalidating they may be invalidating
Perfect
I may have invalidated you may have invalidated she may have invalidated we may have invalidated you may have invalidated they may have invalidated
V-ing perfect
I may have been invalidating you may have been invalidating she may have been invalidating we may have been invalidating you may have been invalidating they may have been invalidating
Negation
Simple form
I may not invalidate you may not invalidate she may not invalidate we may not invalidate you may not invalidate they may not invalidate
V-ing form
I may not be invalidating you may not be invalidating she may not be invalidating we may not be invalidating you may not be invalidating they may not be invalidating
Perfect
I may not have invalidated you may not have invalidated she may not have invalidated we may not have invalidated you may not have invalidated they may not have invalidated
V-ing perfect
I may not have been invalidating you may not have been invalidating she may not have been invalidating we may not have been invalidating you may not have been invalidating they may not have been invalidating
Interrogative form
Simple form
may I invalidate? may you invalidate? may she invalidate? may we invalidate? may you invalidate? may they invalidate?
V-ing form
may I be invalidating? may you be invalidating? may she be invalidating? may we be invalidating? may you be invalidating? may they be invalidating?
Perfect
may I have invalidated? may you have invalidated? may she have invalidated? may we have invalidated? may you have invalidated? may they have invalidated?
V-ing perfect
may I have been invalidating? may you have been invalidating? may she have been invalidating? may we have been invalidating? may you have been invalidating? may they have been invalidating?
Interro-negative form
Simple form
may I not invalidate? may you not invalidate? may she not invalidate? may we not invalidate? may you not invalidate? may they not invalidate?
V-ing form
may I not be invalidating? may you not be invalidating? may she not be invalidating? may we not be invalidating? may you not be invalidating? may they not be invalidating?
Perfect
may I not have invalidated? may you not have invalidated? may she not have invalidated? may we not have invalidated? may you not have invalidated? may they not have invalidated?
V-ing perfect
may I not have been invalidating? may you not have been invalidating? may she not have been invalidating? may we not have been invalidating? may you not have been invalidating? may they not have been invalidating?