Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could drip off you could drip off she could drip off we could drip off you could drip off they could drip off
V-ing form
I could be drip offing you could be drip offing she could be drip offing we could be drip offing you could be drip offing they could be drip offing
Perfect
I could have drip offed you could have drip offed she could have drip offed we could have drip offed you could have drip offed they could have drip offed
V-ing perfect
I could have been drip offing you could have been drip offing she could have been drip offing we could have been drip offing you could have been drip offing they could have been drip offing
Negation
Simple form
I couldn't drip off you couldn't drip off she couldn't drip off we couldn't drip off you couldn't drip off they couldn't drip off
V-ing form
I couldn't be drip offing you couldn't be drip offing she couldn't be drip offing we couldn't be drip offing you couldn't be drip offing they couldn't be drip offing
Perfect
I couldn't have drip offed you couldn't have drip offed she couldn't have drip offed we couldn't have drip offed you couldn't have drip offed they couldn't have drip offed
V-ing perfect
I couldn't have been drip offing you couldn't have been drip offing she couldn't have been drip offing we couldn't have been drip offing you couldn't have been drip offing they couldn't have been drip offing
Interrogative form
Simple form
could I drip off? could you drip off? could she drip off? could we drip off? could you drip off? could they drip off?
V-ing form
could I be drip offing? could you be drip offing? could she be drip offing? could we be drip offing? could you be drip offing? could they be drip offing?
Perfect
could I have drip offed? could you have drip offed? could she have drip offed? could we have drip offed? could you have drip offed? could they have drip offed?
V-ing perfect
could I have been drip offing? could you have been drip offing? could she have been drip offing? could we have been drip offing? could you have been drip offing? could they have been drip offing?
Interro-negative form
Simple form
couldn't I drip off? couldn't you drip off? couldn't she drip off? couldn't we drip off? couldn't you drip off? couldn't they drip off?
V-ing form
couldn't I be drip offing? couldn't you be drip offing? couldn't she be drip offing? couldn't we be drip offing? couldn't you be drip offing? couldn't they be drip offing?
Perfect
couldn't I have drip offed? couldn't you have drip offed? couldn't she have drip offed? couldn't we have drip offed? couldn't you have drip offed? couldn't they have drip offed?
V-ing perfect
couldn't I have been drip offing? couldn't you have been drip offing? couldn't she have been drip offing? couldn't we have been drip offing? couldn't you have been drip offing? couldn't they have been drip offing?