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