English verb conjugation
COULD GOB

Regular verb: gob - gobed - gobed

Affirmation

Simple form	V-ing form
I could gob you could gob she could gob we could gob you could gob they could gob	I could be gobing you could be gobing she could be gobing we could be gobing you could be gobing they could be gobing
Perfect	V-ing perfect
I could have gobed you could have gobed she could have gobed we could have gobed you could have gobed they could have gobed	I could have been gobing you could have been gobing she could have been gobing we could have been gobing you could have been gobing they could have been gobing

Negation

Simple form	V-ing form
I couldn't gob you couldn't gob she couldn't gob we couldn't gob you couldn't gob they couldn't gob	I couldn't be gobing you couldn't be gobing she couldn't be gobing we couldn't be gobing you couldn't be gobing they couldn't be gobing
Perfect	V-ing perfect
I couldn't have gobed you couldn't have gobed she couldn't have gobed we couldn't have gobed you couldn't have gobed they couldn't have gobed	I couldn't have been gobing you couldn't have been gobing she couldn't have been gobing we couldn't have been gobing you couldn't have been gobing they couldn't have been gobing

Interrogative form

Simple form	V-ing form
could I gob? could you gob? could she gob? could we gob? could you gob? could they gob?	could I be gobing? could you be gobing? could she be gobing? could we be gobing? could you be gobing? could they be gobing?
Perfect	V-ing perfect
could I have gobed? could you have gobed? could she have gobed? could we have gobed? could you have gobed? could they have gobed?	could I have been gobing? could you have been gobing? could she have been gobing? could we have been gobing? could you have been gobing? could they have been gobing?

Interro-negative form

Simple form	V-ing form
couldn't I gob? couldn't you gob? couldn't she gob? couldn't we gob? couldn't you gob? couldn't they gob?	couldn't I be gobing? couldn't you be gobing? couldn't she be gobing? couldn't we be gobing? couldn't you be gobing? couldn't they be gobing?
Perfect	V-ing perfect
couldn't I have gobed? couldn't you have gobed? couldn't she have gobed? couldn't we have gobed? couldn't you have gobed? couldn't they have gobed?	couldn't I have been gobing? couldn't you have been gobing? couldn't she have been gobing? couldn't we have been gobing? couldn't you have been gobing? couldn't they have been gobing?