English verb conjugation
COULD MIFF

Regular verb: miff - miffed - miffed

Affirmation

Simple form	V-ing form
I could miff you could miff he could miff we could miff you could miff they could miff	I could be miffing you could be miffing he could be miffing we could be miffing you could be miffing they could be miffing
Perfect	V-ing perfect
I could have miffed you could have miffed he could have miffed we could have miffed you could have miffed they could have miffed	I could have been miffing you could have been miffing he could have been miffing we could have been miffing you could have been miffing they could have been miffing

Negation

Simple form	V-ing form
I couldn't miff you couldn't miff he couldn't miff we couldn't miff you couldn't miff they couldn't miff	I couldn't be miffing you couldn't be miffing he couldn't be miffing we couldn't be miffing you couldn't be miffing they couldn't be miffing
Perfect	V-ing perfect
I couldn't have miffed you couldn't have miffed he couldn't have miffed we couldn't have miffed you couldn't have miffed they couldn't have miffed	I couldn't have been miffing you couldn't have been miffing he couldn't have been miffing we couldn't have been miffing you couldn't have been miffing they couldn't have been miffing

Interrogative form

Simple form	V-ing form
could I miff? could you miff? could he miff? could we miff? could you miff? could they miff?	could I be miffing? could you be miffing? could he be miffing? could we be miffing? could you be miffing? could they be miffing?
Perfect	V-ing perfect
could I have miffed? could you have miffed? could he have miffed? could we have miffed? could you have miffed? could they have miffed?	could I have been miffing? could you have been miffing? could he have been miffing? could we have been miffing? could you have been miffing? could they have been miffing?

Interro-negative form

Simple form	V-ing form
couldn't I miff? couldn't you miff? couldn't he miff? couldn't we miff? couldn't you miff? couldn't they miff?	couldn't I be miffing? couldn't you be miffing? couldn't he be miffing? couldn't we be miffing? couldn't you be miffing? couldn't they be miffing?
Perfect	V-ing perfect
couldn't I have miffed? couldn't you have miffed? couldn't he have miffed? couldn't we have miffed? couldn't you have miffed? couldn't they have miffed?	couldn't I have been miffing? couldn't you have been miffing? couldn't he have been miffing? couldn't we have been miffing? couldn't you have been miffing? couldn't they have been miffing?