Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I might speak. talk you might speak. talk he might speak. talk we might speak. talk you might speak. talk they might speak. talk
V-ing form
I might be speak. talking you might be speak. talking he might be speak. talking we might be speak. talking you might be speak. talking they might be speak. talking
Perfect
I might have speak. talked you might have speak. talked he might have speak. talked we might have speak. talked you might have speak. talked they might have speak. talked
V-ing perfect
I might have been speak. talking you might have been speak. talking he might have been speak. talking we might have been speak. talking you might have been speak. talking they might have been speak. talking
Negation
Simple form
I mightn't speak. talk you mightn't speak. talk he mightn't speak. talk we mightn't speak. talk you mightn't speak. talk they mightn't speak. talk
V-ing form
I mightn't be speak. talking you mightn't be speak. talking he mightn't be speak. talking we mightn't be speak. talking you mightn't be speak. talking they mightn't be speak. talking
Perfect
I mightn't have speak. talked you mightn't have speak. talked he mightn't have speak. talked we mightn't have speak. talked you mightn't have speak. talked they mightn't have speak. talked
V-ing perfect
I mightn't have been speak. talking you mightn't have been speak. talking he mightn't have been speak. talking we mightn't have been speak. talking you mightn't have been speak. talking they mightn't have been speak. talking
Interrogative form
Simple form
might I speak. talk? might you speak. talk? might he speak. talk? might we speak. talk? might you speak. talk? might they speak. talk?
V-ing form
might I be speak. talking? might you be speak. talking? might he be speak. talking? might we be speak. talking? might you be speak. talking? might they be speak. talking?
Perfect
might I have speak. talked? might you have speak. talked? might he have speak. talked? might we have speak. talked? might you have speak. talked? might they have speak. talked?
V-ing perfect
might I have been speak. talking? might you have been speak. talking? might he have been speak. talking? might we have been speak. talking? might you have been speak. talking? might they have been speak. talking?
Interro-negative form
Simple form
mightn't I speak. talk? mightn't you speak. talk? mightn't he speak. talk? mightn't we speak. talk? mightn't you speak. talk? mightn't they speak. talk?
V-ing form
mightn't I be speak. talking? mightn't you be speak. talking? mightn't he be speak. talking? mightn't we be speak. talking? mightn't you be speak. talking? mightn't they be speak. talking?
Perfect
mightn't I have speak. talked? mightn't you have speak. talked? mightn't he have speak. talked? mightn't we have speak. talked? mightn't you have speak. talked? mightn't they have speak. talked?
V-ing perfect
mightn't I have been speak. talking? mightn't you have been speak. talking? mightn't he have been speak. talking? mightn't we have been speak. talking? mightn't you have been speak. talking? mightn't they have been speak. talking?