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