I might cough you might cough he might cough we might cough you might cough they might cough
V-ing form
I might be coughing you might be coughing he might be coughing we might be coughing you might be coughing they might be coughing
Perfect
I might have coughed you might have coughed he might have coughed we might have coughed you might have coughed they might have coughed
V-ing perfect
I might have been coughing you might have been coughing he might have been coughing we might have been coughing you might have been coughing they might have been coughing
Negation
Simple form
I mightn't cough you mightn't cough he mightn't cough we mightn't cough you mightn't cough they mightn't cough
V-ing form
I mightn't be coughing you mightn't be coughing he mightn't be coughing we mightn't be coughing you mightn't be coughing they mightn't be coughing
Perfect
I mightn't have coughed you mightn't have coughed he mightn't have coughed we mightn't have coughed you mightn't have coughed they mightn't have coughed
V-ing perfect
I mightn't have been coughing you mightn't have been coughing he mightn't have been coughing we mightn't have been coughing you mightn't have been coughing they mightn't have been coughing
Interrogative form
Simple form
might I cough? might you cough? might he cough? might we cough? might you cough? might they cough?
V-ing form
might I be coughing? might you be coughing? might he be coughing? might we be coughing? might you be coughing? might they be coughing?
Perfect
might I have coughed? might you have coughed? might he have coughed? might we have coughed? might you have coughed? might they have coughed?
V-ing perfect
might I have been coughing? might you have been coughing? might he have been coughing? might we have been coughing? might you have been coughing? might they have been coughing?
Interro-negative form
Simple form
mightn't I cough? mightn't you cough? mightn't he cough? mightn't we cough? mightn't you cough? mightn't they cough?
V-ing form
mightn't I be coughing? mightn't you be coughing? mightn't he be coughing? mightn't we be coughing? mightn't you be coughing? mightn't they be coughing?
Perfect
mightn't I have coughed? mightn't you have coughed? mightn't he have coughed? mightn't we have coughed? mightn't you have coughed? mightn't they have coughed?
V-ing perfect
mightn't I have been coughing? mightn't you have been coughing? mightn't he have been coughing? mightn't we have been coughing? mightn't you have been coughing? mightn't they have been coughing?