English verb conjugation
MAY RUIN

Regular verb: ruin - ruined - ruined

Affirmation

Simple form	V-ing form
I may ruin you may ruin he may ruin we may ruin you may ruin they may ruin	I may be ruining you may be ruining he may be ruining we may be ruining you may be ruining they may be ruining
Perfect	V-ing perfect
I may have ruined you may have ruined he may have ruined we may have ruined you may have ruined they may have ruined	I may have been ruining you may have been ruining he may have been ruining we may have been ruining you may have been ruining they may have been ruining

Negation

Simple form	V-ing form
I mayn't ruin you mayn't ruin he mayn't ruin we mayn't ruin you mayn't ruin they mayn't ruin	I mayn't be ruining you mayn't be ruining he mayn't be ruining we mayn't be ruining you mayn't be ruining they mayn't be ruining
Perfect	V-ing perfect
I mayn't have ruined you mayn't have ruined he mayn't have ruined we mayn't have ruined you mayn't have ruined they mayn't have ruined	I mayn't have been ruining you mayn't have been ruining he mayn't have been ruining we mayn't have been ruining you mayn't have been ruining they mayn't have been ruining

Interrogative form

Simple form	V-ing form
may I ruin? may you ruin? may he ruin? may we ruin? may you ruin? may they ruin?	may I be ruining? may you be ruining? may he be ruining? may we be ruining? may you be ruining? may they be ruining?
Perfect	V-ing perfect
may I have ruined? may you have ruined? may he have ruined? may we have ruined? may you have ruined? may they have ruined?	may I have been ruining? may you have been ruining? may he have been ruining? may we have been ruining? may you have been ruining? may they have been ruining?

Interro-negative form

Simple form	V-ing form
mayn't I ruin? mayn't you ruin? mayn't he ruin? mayn't we ruin? mayn't you ruin? mayn't they ruin?	mayn't I be ruining? mayn't you be ruining? mayn't he be ruining? mayn't we be ruining? mayn't you be ruining? mayn't they be ruining?
Perfect	V-ing perfect
mayn't I have ruined? mayn't you have ruined? mayn't he have ruined? mayn't we have ruined? mayn't you have ruined? mayn't they have ruined?	mayn't I have been ruining? mayn't you have been ruining? mayn't he have been ruining? mayn't we have been ruining? mayn't you have been ruining? mayn't they have been ruining?