English verb conjugation
MAY CONTAMINATE

Regular verb: contaminate - contaminated - contaminated

Affirmation

Simple form	V-ing form
I may contaminate you may contaminate he may contaminate we may contaminate you may contaminate they may contaminate	I may be contaminating you may be contaminating he may be contaminating we may be contaminating you may be contaminating they may be contaminating
Perfect	V-ing perfect
I may have contaminated you may have contaminated he may have contaminated we may have contaminated you may have contaminated they may have contaminated	I may have been contaminating you may have been contaminating he may have been contaminating we may have been contaminating you may have been contaminating they may have been contaminating

Negation

Simple form	V-ing form
I mayn't contaminate you mayn't contaminate he mayn't contaminate we mayn't contaminate you mayn't contaminate they mayn't contaminate	I mayn't be contaminating you mayn't be contaminating he mayn't be contaminating we mayn't be contaminating you mayn't be contaminating they mayn't be contaminating
Perfect	V-ing perfect
I mayn't have contaminated you mayn't have contaminated he mayn't have contaminated we mayn't have contaminated you mayn't have contaminated they mayn't have contaminated	I mayn't have been contaminating you mayn't have been contaminating he mayn't have been contaminating we mayn't have been contaminating you mayn't have been contaminating they mayn't have been contaminating

Interrogative form

Simple form	V-ing form
may I contaminate? may you contaminate? may he contaminate? may we contaminate? may you contaminate? may they contaminate?	may I be contaminating? may you be contaminating? may he be contaminating? may we be contaminating? may you be contaminating? may they be contaminating?
Perfect	V-ing perfect
may I have contaminated? may you have contaminated? may he have contaminated? may we have contaminated? may you have contaminated? may they have contaminated?	may I have been contaminating? may you have been contaminating? may he have been contaminating? may we have been contaminating? may you have been contaminating? may they have been contaminating?

Interro-negative form

Simple form	V-ing form
mayn't I contaminate? mayn't you contaminate? mayn't he contaminate? mayn't we contaminate? mayn't you contaminate? mayn't they contaminate?	mayn't I be contaminating? mayn't you be contaminating? mayn't he be contaminating? mayn't we be contaminating? mayn't you be contaminating? mayn't they be contaminating?
Perfect	V-ing perfect
mayn't I have contaminated? mayn't you have contaminated? mayn't he have contaminated? mayn't we have contaminated? mayn't you have contaminated? mayn't they have contaminated?	mayn't I have been contaminating? mayn't you have been contaminating? mayn't he have been contaminating? mayn't we have been contaminating? mayn't you have been contaminating? mayn't they have been contaminating?