Regular verb: use - used - used
Simple form | V-ing form |
I may use you may use he may use we may use you may use they may use | I may be using you may be using he may be using we may be using you may be using they may be using |
Perfect | V-ing perfect |
I may have used you may have used he may have used we may have used you may have used they may have used | I may have been using you may have been using he may have been using we may have been using you may have been using they may have been using |
Simple form | V-ing form |
I mayn't use you mayn't use he mayn't use we mayn't use you mayn't use they mayn't use | I mayn't be using you mayn't be using he mayn't be using we mayn't be using you mayn't be using they mayn't be using |
Perfect | V-ing perfect |
I mayn't have used you mayn't have used he mayn't have used we mayn't have used you mayn't have used they mayn't have used | I mayn't have been using you mayn't have been using he mayn't have been using we mayn't have been using you mayn't have been using they mayn't have been using |
Simple form | V-ing form |
may I use? may you use? may he use? may we use? may you use? may they use? | may I be using? may you be using? may he be using? may we be using? may you be using? may they be using? |
Perfect | V-ing perfect |
may I have used? may you have used? may he have used? may we have used? may you have used? may they have used? | may I have been using? may you have been using? may he have been using? may we have been using? may you have been using? may they have been using? |
Simple form | V-ing form |
mayn't I use? mayn't you use? mayn't he use? mayn't we use? mayn't you use? mayn't they use? | mayn't I be using? mayn't you be using? mayn't he be using? mayn't we be using? mayn't you be using? mayn't they be using? |
Perfect | V-ing perfect |
mayn't I have used? mayn't you have used? mayn't he have used? mayn't we have used? mayn't you have used? mayn't they have used? | mayn't I have been using? mayn't you have been using? mayn't he have been using? mayn't we have been using? mayn't you have been using? mayn't they have been using? |