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