I may ruin you may ruin she may ruin we may ruin you may ruin they may ruin
V-ing form
I may be ruining you may be ruining she may be ruining we may be ruining you may be ruining they may be ruining
Perfect
I may have ruined you may have ruined she may have ruined we may have ruined you may have ruined they may have ruined
V-ing perfect
I may have been ruining you may have been ruining she may have been ruining we may have been ruining you may have been ruining they may have been ruining
Negation
Simple form
I may not ruin you may not ruin she may not ruin we may not ruin you may not ruin they may not ruin
V-ing form
I may not be ruining you may not be ruining she may not be ruining we may not be ruining you may not be ruining they may not be ruining
Perfect
I may not have ruined you may not have ruined she may not have ruined we may not have ruined you may not have ruined they may not have ruined
V-ing perfect
I may not have been ruining you may not have been ruining she may not have been ruining we may not have been ruining you may not have been ruining they may not have been ruining
Interrogative form
Simple form
may I ruin? may you ruin? may she ruin? may we ruin? may you ruin? may they ruin?
V-ing form
may I be ruining? may you be ruining? may she be ruining? may we be ruining? may you be ruining? may they be ruining?
Perfect
may I have ruined? may you have ruined? may she have ruined? may we have ruined? may you have ruined? may they have ruined?
V-ing perfect
may I have been ruining? may you have been ruining? may she have been ruining? may we have been ruining? may you have been ruining? may they have been ruining?
Interro-negative form
Simple form
may I not ruin? may you not ruin? may she not ruin? may we not ruin? may you not ruin? may they not ruin?
V-ing form
may I not be ruining? may you not be ruining? may she not be ruining? may we not be ruining? may you not be ruining? may they not be ruining?
Perfect
may I not have ruined? may you not have ruined? may she not have ruined? may we not have ruined? may you not have ruined? may they not have ruined?
V-ing perfect
may I not have been ruining? may you not have been ruining? may she not have been ruining? may we not have been ruining? may you not have been ruining? may they not have been ruining?