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