English verb conjugation
MAY IMPAIR

Regular verb: impair - impaired - impaired

Affirmation

Simple form	V-ing form
I may impair you may impair he may impair we may impair you may impair they may impair	I may be impairing you may be impairing he may be impairing we may be impairing you may be impairing they may be impairing
Perfect	V-ing perfect
I may have impaired you may have impaired he may have impaired we may have impaired you may have impaired they may have impaired	I may have been impairing you may have been impairing he may have been impairing we may have been impairing you may have been impairing they may have been impairing

Negation

Simple form	V-ing form
I mayn't impair you mayn't impair he mayn't impair we mayn't impair you mayn't impair they mayn't impair	I mayn't be impairing you mayn't be impairing he mayn't be impairing we mayn't be impairing you mayn't be impairing they mayn't be impairing
Perfect	V-ing perfect
I mayn't have impaired you mayn't have impaired he mayn't have impaired we mayn't have impaired you mayn't have impaired they mayn't have impaired	I mayn't have been impairing you mayn't have been impairing he mayn't have been impairing we mayn't have been impairing you mayn't have been impairing they mayn't have been impairing

Interrogative form

Simple form	V-ing form
may I impair? may you impair? may he impair? may we impair? may you impair? may they impair?	may I be impairing? may you be impairing? may he be impairing? may we be impairing? may you be impairing? may they be impairing?
Perfect	V-ing perfect
may I have impaired? may you have impaired? may he have impaired? may we have impaired? may you have impaired? may they have impaired?	may I have been impairing? may you have been impairing? may he have been impairing? may we have been impairing? may you have been impairing? may they have been impairing?

Interro-negative form

Simple form	V-ing form
mayn't I impair? mayn't you impair? mayn't he impair? mayn't we impair? mayn't you impair? mayn't they impair?	mayn't I be impairing? mayn't you be impairing? mayn't he be impairing? mayn't we be impairing? mayn't you be impairing? mayn't they be impairing?
Perfect	V-ing perfect
mayn't I have impaired? mayn't you have impaired? mayn't he have impaired? mayn't we have impaired? mayn't you have impaired? mayn't they have impaired?	mayn't I have been impairing? mayn't you have been impairing? mayn't he have been impairing? mayn't we have been impairing? mayn't you have been impairing? mayn't they have been impairing?