I may attain you may attain she may attain we may attain you may attain they may attain
V-ing form
I may be attaining you may be attaining she may be attaining we may be attaining you may be attaining they may be attaining
Perfect
I may have attained you may have attained she may have attained we may have attained you may have attained they may have attained
V-ing perfect
I may have been attaining you may have been attaining she may have been attaining we may have been attaining you may have been attaining they may have been attaining
Negation
Simple form
I may not attain you may not attain she may not attain we may not attain you may not attain they may not attain
V-ing form
I may not be attaining you may not be attaining she may not be attaining we may not be attaining you may not be attaining they may not be attaining
Perfect
I may not have attained you may not have attained she may not have attained we may not have attained you may not have attained they may not have attained
V-ing perfect
I may not have been attaining you may not have been attaining she may not have been attaining we may not have been attaining you may not have been attaining they may not have been attaining
Interrogative form
Simple form
may I attain? may you attain? may she attain? may we attain? may you attain? may they attain?
V-ing form
may I be attaining? may you be attaining? may she be attaining? may we be attaining? may you be attaining? may they be attaining?
Perfect
may I have attained? may you have attained? may she have attained? may we have attained? may you have attained? may they have attained?
V-ing perfect
may I have been attaining? may you have been attaining? may she have been attaining? may we have been attaining? may you have been attaining? may they have been attaining?
Interro-negative form
Simple form
may I not attain? may you not attain? may she not attain? may we not attain? may you not attain? may they not attain?
V-ing form
may I not be attaining? may you not be attaining? may she not be attaining? may we not be attaining? may you not be attaining? may they not be attaining?
Perfect
may I not have attained? may you not have attained? may she not have attained? may we not have attained? may you not have attained? may they not have attained?
V-ing perfect
may I not have been attaining? may you not have been attaining? may she not have been attaining? may we not have been attaining? may you not have been attaining? may they not have been attaining?