
Regular verb: obtain - obtained - obtained
Simple form | V-ing form | 
| I may obtain you may obtain she may obtain we may obtain you may obtain they may obtain  | I may be obtaining you may be obtaining she may be obtaining we may be obtaining you may be obtaining they may be obtaining  | 
Perfect | V-ing perfect | 
| I may have obtained you may have obtained she may have obtained we may have obtained you may have obtained they may have obtained  | I may have been obtaining you may have been obtaining she may have been obtaining we may have been obtaining you may have been obtaining they may have been obtaining  | 
Simple form | V-ing form | 
| I mayn't obtain you mayn't obtain she mayn't obtain we mayn't obtain you mayn't obtain they mayn't obtain  | I mayn't be obtaining you mayn't be obtaining she mayn't be obtaining we mayn't be obtaining you mayn't be obtaining they mayn't be obtaining  | 
Perfect | V-ing perfect | 
| I mayn't have obtained you mayn't have obtained she mayn't have obtained we mayn't have obtained you mayn't have obtained they mayn't have obtained  | I mayn't have been obtaining you mayn't have been obtaining she mayn't have been obtaining we mayn't have been obtaining you mayn't have been obtaining they mayn't have been obtaining  | 
Simple form | V-ing form | 
| may I obtain? may you obtain? may she obtain? may we obtain? may you obtain? may they obtain?  | may I be obtaining? may you be obtaining? may she be obtaining? may we be obtaining? may you be obtaining? may they be obtaining?  | 
Perfect | V-ing perfect | 
| may I have obtained? may you have obtained? may she have obtained? may we have obtained? may you have obtained? may they have obtained?  | may I have been obtaining? may you have been obtaining? may she have been obtaining? may we have been obtaining? may you have been obtaining? may they have been obtaining?  | 
Simple form | V-ing form | 
| mayn't I obtain? mayn't you obtain? mayn't she obtain? mayn't we obtain? mayn't you obtain? mayn't they obtain?  | mayn't I be obtaining? mayn't you be obtaining? mayn't she be obtaining? mayn't we be obtaining? mayn't you be obtaining? mayn't they be obtaining?  | 
Perfect | V-ing perfect | 
| mayn't I have obtained? mayn't you have obtained? mayn't she have obtained? mayn't we have obtained? mayn't you have obtained? mayn't they have obtained?  | mayn't I have been obtaining? mayn't you have been obtaining? mayn't she have been obtaining? mayn't we have been obtaining? mayn't you have been obtaining? mayn't they have been obtaining?  |