English verb conjugation
COULD COLOUR-CODE

Regular verb: colour-code - colour-coded - colour-coded

Affirmation

Simple form	V-ing form
I could colour-code you could colour-code he could colour-code we could colour-code you could colour-code they could colour-code	I could be colour-coding you could be colour-coding he could be colour-coding we could be colour-coding you could be colour-coding they could be colour-coding
Perfect	V-ing perfect
I could have colour-coded you could have colour-coded he could have colour-coded we could have colour-coded you could have colour-coded they could have colour-coded	I could have been colour-coding you could have been colour-coding he could have been colour-coding we could have been colour-coding you could have been colour-coding they could have been colour-coding

Negation

Simple form	V-ing form
I couldn't colour-code you couldn't colour-code he couldn't colour-code we couldn't colour-code you couldn't colour-code they couldn't colour-code	I couldn't be colour-coding you couldn't be colour-coding he couldn't be colour-coding we couldn't be colour-coding you couldn't be colour-coding they couldn't be colour-coding
Perfect	V-ing perfect
I couldn't have colour-coded you couldn't have colour-coded he couldn't have colour-coded we couldn't have colour-coded you couldn't have colour-coded they couldn't have colour-coded	I couldn't have been colour-coding you couldn't have been colour-coding he couldn't have been colour-coding we couldn't have been colour-coding you couldn't have been colour-coding they couldn't have been colour-coding

Interrogative form

Simple form	V-ing form
could I colour-code? could you colour-code? could he colour-code? could we colour-code? could you colour-code? could they colour-code?	could I be colour-coding? could you be colour-coding? could he be colour-coding? could we be colour-coding? could you be colour-coding? could they be colour-coding?
Perfect	V-ing perfect
could I have colour-coded? could you have colour-coded? could he have colour-coded? could we have colour-coded? could you have colour-coded? could they have colour-coded?	could I have been colour-coding? could you have been colour-coding? could he have been colour-coding? could we have been colour-coding? could you have been colour-coding? could they have been colour-coding?

Interro-negative form

Simple form	V-ing form
couldn't I colour-code? couldn't you colour-code? couldn't he colour-code? couldn't we colour-code? couldn't you colour-code? couldn't they colour-code?	couldn't I be colour-coding? couldn't you be colour-coding? couldn't he be colour-coding? couldn't we be colour-coding? couldn't you be colour-coding? couldn't they be colour-coding?
Perfect	V-ing perfect
couldn't I have colour-coded? couldn't you have colour-coded? couldn't he have colour-coded? couldn't we have colour-coded? couldn't you have colour-coded? couldn't they have colour-coded?	couldn't I have been colour-coding? couldn't you have been colour-coding? couldn't he have been colour-coding? couldn't we have been colour-coding? couldn't you have been colour-coding? couldn't they have been colour-coding?