English verb conjugation
COULD YAMMER YAMMER

Regular verb: yammer yammer - yammer yammered - yammer yammered

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could yammer yammer you could yammer yammer he could yammer yammer we could yammer yammer you could yammer yammer they could yammer yammer	I could be yammer yammering you could be yammer yammering he could be yammer yammering we could be yammer yammering you could be yammer yammering they could be yammer yammering
Perfect	V-ing perfect
I could have yammer yammered you could have yammer yammered he could have yammer yammered we could have yammer yammered you could have yammer yammered they could have yammer yammered	I could have been yammer yammering you could have been yammer yammering he could have been yammer yammering we could have been yammer yammering you could have been yammer yammering they could have been yammer yammering

Negation

Simple form	V-ing form
I couldn't yammer yammer you couldn't yammer yammer he couldn't yammer yammer we couldn't yammer yammer you couldn't yammer yammer they couldn't yammer yammer	I couldn't be yammer yammering you couldn't be yammer yammering he couldn't be yammer yammering we couldn't be yammer yammering you couldn't be yammer yammering they couldn't be yammer yammering
Perfect	V-ing perfect
I couldn't have yammer yammered you couldn't have yammer yammered he couldn't have yammer yammered we couldn't have yammer yammered you couldn't have yammer yammered they couldn't have yammer yammered	I couldn't have been yammer yammering you couldn't have been yammer yammering he couldn't have been yammer yammering we couldn't have been yammer yammering you couldn't have been yammer yammering they couldn't have been yammer yammering

Interrogative form

Simple form	V-ing form
could I yammer yammer? could you yammer yammer? could he yammer yammer? could we yammer yammer? could you yammer yammer? could they yammer yammer?	could I be yammer yammering? could you be yammer yammering? could he be yammer yammering? could we be yammer yammering? could you be yammer yammering? could they be yammer yammering?
Perfect	V-ing perfect
could I have yammer yammered? could you have yammer yammered? could he have yammer yammered? could we have yammer yammered? could you have yammer yammered? could they have yammer yammered?	could I have been yammer yammering? could you have been yammer yammering? could he have been yammer yammering? could we have been yammer yammering? could you have been yammer yammering? could they have been yammer yammering?

Interro-negative form

Simple form	V-ing form
couldn't I yammer yammer? couldn't you yammer yammer? couldn't he yammer yammer? couldn't we yammer yammer? couldn't you yammer yammer? couldn't they yammer yammer?	couldn't I be yammer yammering? couldn't you be yammer yammering? couldn't he be yammer yammering? couldn't we be yammer yammering? couldn't you be yammer yammering? couldn't they be yammer yammering?
Perfect	V-ing perfect
couldn't I have yammer yammered? couldn't you have yammer yammered? couldn't he have yammer yammered? couldn't we have yammer yammered? couldn't you have yammer yammered? couldn't they have yammer yammered?	couldn't I have been yammer yammering? couldn't you have been yammer yammering? couldn't he have been yammer yammering? couldn't we have been yammer yammering? couldn't you have been yammer yammering? couldn't they have been yammer yammering?