English verb conjugation
MAY ACHIEVE

Regular verb: achieve - achieved - achieved

Affirmation

Simple form	V-ing form
I may achieve you may achieve he may achieve we may achieve you may achieve they may achieve	I may be achieving you may be achieving he may be achieving we may be achieving you may be achieving they may be achieving
Perfect	V-ing perfect
I may have achieved you may have achieved he may have achieved we may have achieved you may have achieved they may have achieved	I may have been achieving you may have been achieving he may have been achieving we may have been achieving you may have been achieving they may have been achieving

Negation

Simple form	V-ing form
I mayn't achieve you mayn't achieve he mayn't achieve we mayn't achieve you mayn't achieve they mayn't achieve	I mayn't be achieving you mayn't be achieving he mayn't be achieving we mayn't be achieving you mayn't be achieving they mayn't be achieving
Perfect	V-ing perfect
I mayn't have achieved you mayn't have achieved he mayn't have achieved we mayn't have achieved you mayn't have achieved they mayn't have achieved	I mayn't have been achieving you mayn't have been achieving he mayn't have been achieving we mayn't have been achieving you mayn't have been achieving they mayn't have been achieving

Interrogative form

Simple form	V-ing form
may I achieve? may you achieve? may he achieve? may we achieve? may you achieve? may they achieve?	may I be achieving? may you be achieving? may he be achieving? may we be achieving? may you be achieving? may they be achieving?
Perfect	V-ing perfect
may I have achieved? may you have achieved? may he have achieved? may we have achieved? may you have achieved? may they have achieved?	may I have been achieving? may you have been achieving? may he have been achieving? may we have been achieving? may you have been achieving? may they have been achieving?

Interro-negative form

Simple form	V-ing form
mayn't I achieve? mayn't you achieve? mayn't he achieve? mayn't we achieve? mayn't you achieve? mayn't they achieve?	mayn't I be achieving? mayn't you be achieving? mayn't he be achieving? mayn't we be achieving? mayn't you be achieving? mayn't they be achieving?
Perfect	V-ing perfect
mayn't I have achieved? mayn't you have achieved? mayn't he have achieved? mayn't we have achieved? mayn't you have achieved? mayn't they have achieved?	mayn't I have been achieving? mayn't you have been achieving? mayn't he have been achieving? mayn't we have been achieving? mayn't you have been achieving? mayn't they have been achieving?