English verb conjugation
COULD SNUB

Regular verb: snub - snubbed - snubbed

Affirmation

Simple form	V-ing form
I could snub you could snub she could snub we could snub you could snub they could snub	I could be snubbing you could be snubbing she could be snubbing we could be snubbing you could be snubbing they could be snubbing
Perfect	V-ing perfect
I could have snubbed you could have snubbed she could have snubbed we could have snubbed you could have snubbed they could have snubbed	I could have been snubbing you could have been snubbing she could have been snubbing we could have been snubbing you could have been snubbing they could have been snubbing

Negation

Simple form	V-ing form
I couldn't snub you couldn't snub she couldn't snub we couldn't snub you couldn't snub they couldn't snub	I couldn't be snubbing you couldn't be snubbing she couldn't be snubbing we couldn't be snubbing you couldn't be snubbing they couldn't be snubbing
Perfect	V-ing perfect
I couldn't have snubbed you couldn't have snubbed she couldn't have snubbed we couldn't have snubbed you couldn't have snubbed they couldn't have snubbed	I couldn't have been snubbing you couldn't have been snubbing she couldn't have been snubbing we couldn't have been snubbing you couldn't have been snubbing they couldn't have been snubbing

Interrogative form

Simple form	V-ing form
could I snub? could you snub? could she snub? could we snub? could you snub? could they snub?	could I be snubbing? could you be snubbing? could she be snubbing? could we be snubbing? could you be snubbing? could they be snubbing?
Perfect	V-ing perfect
could I have snubbed? could you have snubbed? could she have snubbed? could we have snubbed? could you have snubbed? could they have snubbed?	could I have been snubbing? could you have been snubbing? could she have been snubbing? could we have been snubbing? could you have been snubbing? could they have been snubbing?

Interro-negative form

Simple form	V-ing form
couldn't I snub? couldn't you snub? couldn't she snub? couldn't we snub? couldn't you snub? couldn't they snub?	couldn't I be snubbing? couldn't you be snubbing? couldn't she be snubbing? couldn't we be snubbing? couldn't you be snubbing? couldn't they be snubbing?
Perfect	V-ing perfect
couldn't I have snubbed? couldn't you have snubbed? couldn't she have snubbed? couldn't we have snubbed? couldn't you have snubbed? couldn't they have snubbed?	couldn't I have been snubbing? couldn't you have been snubbing? couldn't she have been snubbing? couldn't we have been snubbing? couldn't you have been snubbing? couldn't they have been snubbing?