English verb conjugation
MAY CHAIN-SMOKE

Regular verb: chain-smoke - chain-smoked - chain-smoked

Affirmation

Simple form	V-ing form
I may chain-smoke you may chain-smoke he may chain-smoke we may chain-smoke you may chain-smoke they may chain-smoke	I may be chain-smoking you may be chain-smoking he may be chain-smoking we may be chain-smoking you may be chain-smoking they may be chain-smoking
Perfect	V-ing perfect
I may have chain-smoked you may have chain-smoked he may have chain-smoked we may have chain-smoked you may have chain-smoked they may have chain-smoked	I may have been chain-smoking you may have been chain-smoking he may have been chain-smoking we may have been chain-smoking you may have been chain-smoking they may have been chain-smoking

Negation

Simple form	V-ing form
I mayn't chain-smoke you mayn't chain-smoke he mayn't chain-smoke we mayn't chain-smoke you mayn't chain-smoke they mayn't chain-smoke	I mayn't be chain-smoking you mayn't be chain-smoking he mayn't be chain-smoking we mayn't be chain-smoking you mayn't be chain-smoking they mayn't be chain-smoking
Perfect	V-ing perfect
I mayn't have chain-smoked you mayn't have chain-smoked he mayn't have chain-smoked we mayn't have chain-smoked you mayn't have chain-smoked they mayn't have chain-smoked	I mayn't have been chain-smoking you mayn't have been chain-smoking he mayn't have been chain-smoking we mayn't have been chain-smoking you mayn't have been chain-smoking they mayn't have been chain-smoking

Interrogative form

Simple form	V-ing form
may I chain-smoke? may you chain-smoke? may he chain-smoke? may we chain-smoke? may you chain-smoke? may they chain-smoke?	may I be chain-smoking? may you be chain-smoking? may he be chain-smoking? may we be chain-smoking? may you be chain-smoking? may they be chain-smoking?
Perfect	V-ing perfect
may I have chain-smoked? may you have chain-smoked? may he have chain-smoked? may we have chain-smoked? may you have chain-smoked? may they have chain-smoked?	may I have been chain-smoking? may you have been chain-smoking? may he have been chain-smoking? may we have been chain-smoking? may you have been chain-smoking? may they have been chain-smoking?

Interro-negative form

Simple form	V-ing form
mayn't I chain-smoke? mayn't you chain-smoke? mayn't he chain-smoke? mayn't we chain-smoke? mayn't you chain-smoke? mayn't they chain-smoke?	mayn't I be chain-smoking? mayn't you be chain-smoking? mayn't he be chain-smoking? mayn't we be chain-smoking? mayn't you be chain-smoking? mayn't they be chain-smoking?
Perfect	V-ing perfect
mayn't I have chain-smoked? mayn't you have chain-smoked? mayn't he have chain-smoked? mayn't we have chain-smoked? mayn't you have chain-smoked? mayn't they have chain-smoked?	mayn't I have been chain-smoking? mayn't you have been chain-smoking? mayn't he have been chain-smoking? mayn't we have been chain-smoking? mayn't you have been chain-smoking? mayn't they have been chain-smoking?