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