English verb conjugation
MIGHT SPIFF

Regular verb: spiff - spiffed - spiffed

Affirmation

Simple form	V-ing form
I might spiff you might spiff he might spiff we might spiff you might spiff they might spiff	I might be spiffing you might be spiffing he might be spiffing we might be spiffing you might be spiffing they might be spiffing
Perfect	V-ing perfect
I might have spiffed you might have spiffed he might have spiffed we might have spiffed you might have spiffed they might have spiffed	I might have been spiffing you might have been spiffing he might have been spiffing we might have been spiffing you might have been spiffing they might have been spiffing

Negation

Simple form	V-ing form
I mightn't spiff you mightn't spiff he mightn't spiff we mightn't spiff you mightn't spiff they mightn't spiff	I mightn't be spiffing you mightn't be spiffing he mightn't be spiffing we mightn't be spiffing you mightn't be spiffing they mightn't be spiffing
Perfect	V-ing perfect
I mightn't have spiffed you mightn't have spiffed he mightn't have spiffed we mightn't have spiffed you mightn't have spiffed they mightn't have spiffed	I mightn't have been spiffing you mightn't have been spiffing he mightn't have been spiffing we mightn't have been spiffing you mightn't have been spiffing they mightn't have been spiffing

Interrogative form

Simple form	V-ing form
might I spiff? might you spiff? might he spiff? might we spiff? might you spiff? might they spiff?	might I be spiffing? might you be spiffing? might he be spiffing? might we be spiffing? might you be spiffing? might they be spiffing?
Perfect	V-ing perfect
might I have spiffed? might you have spiffed? might he have spiffed? might we have spiffed? might you have spiffed? might they have spiffed?	might I have been spiffing? might you have been spiffing? might he have been spiffing? might we have been spiffing? might you have been spiffing? might they have been spiffing?

Interro-negative form

Simple form	V-ing form
mightn't I spiff? mightn't you spiff? mightn't he spiff? mightn't we spiff? mightn't you spiff? mightn't they spiff?	mightn't I be spiffing? mightn't you be spiffing? mightn't he be spiffing? mightn't we be spiffing? mightn't you be spiffing? mightn't they be spiffing?
Perfect	V-ing perfect
mightn't I have spiffed? mightn't you have spiffed? mightn't he have spiffed? mightn't we have spiffed? mightn't you have spiffed? mightn't they have spiffed?	mightn't I have been spiffing? mightn't you have been spiffing? mightn't he have been spiffing? mightn't we have been spiffing? mightn't you have been spiffing? mightn't they have been spiffing?