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 could not miff you could not miff he could not miff we could not miff you could not miff they could not miff	I could not be miffing you could not be miffing he could not be miffing we could not be miffing you could not be miffing they could not be miffing
Perfect	V-ing perfect
I could not have miffed you could not have miffed he could not have miffed we could not have miffed you could not have miffed they could not have miffed	I could not have been miffing you could not have been miffing he could not have been miffing we could not have been miffing you could not have been miffing they could not 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
could I not miff? could you not miff? could he not miff? could we not miff? could you not miff? could they not miff?	could I not be miffing? could you not be miffing? could he not be miffing? could we not be miffing? could you not be miffing? could they not be miffing?
Perfect	V-ing perfect
could I not have miffed? could you not have miffed? could he not have miffed? could we not have miffed? could you not have miffed? could they not have miffed?	could I not have been miffing? could you not have been miffing? could he not have been miffing? could we not have been miffing? could you not have been miffing? could they not have been miffing?