English verb conjugation
COULD PLINK

Regular verb: plink - plinked - plinked

Affirmation

Simple form	V-ing form
I could plink you could plink he could plink we could plink you could plink they could plink	I could be plinking you could be plinking he could be plinking we could be plinking you could be plinking they could be plinking
Perfect	V-ing perfect
I could have plinked you could have plinked he could have plinked we could have plinked you could have plinked they could have plinked	I could have been plinking you could have been plinking he could have been plinking we could have been plinking you could have been plinking they could have been plinking

Negation

Simple form	V-ing form
I couldn't plink you couldn't plink he couldn't plink we couldn't plink you couldn't plink they couldn't plink	I couldn't be plinking you couldn't be plinking he couldn't be plinking we couldn't be plinking you couldn't be plinking they couldn't be plinking
Perfect	V-ing perfect
I couldn't have plinked you couldn't have plinked he couldn't have plinked we couldn't have plinked you couldn't have plinked they couldn't have plinked	I couldn't have been plinking you couldn't have been plinking he couldn't have been plinking we couldn't have been plinking you couldn't have been plinking they couldn't have been plinking

Interrogative form

Simple form	V-ing form
could I plink? could you plink? could he plink? could we plink? could you plink? could they plink?	could I be plinking? could you be plinking? could he be plinking? could we be plinking? could you be plinking? could they be plinking?
Perfect	V-ing perfect
could I have plinked? could you have plinked? could he have plinked? could we have plinked? could you have plinked? could they have plinked?	could I have been plinking? could you have been plinking? could he have been plinking? could we have been plinking? could you have been plinking? could they have been plinking?

Interro-negative form

Simple form	V-ing form
couldn't I plink? couldn't you plink? couldn't he plink? couldn't we plink? couldn't you plink? couldn't they plink?	couldn't I be plinking? couldn't you be plinking? couldn't he be plinking? couldn't we be plinking? couldn't you be plinking? couldn't they be plinking?
Perfect	V-ing perfect
couldn't I have plinked? couldn't you have plinked? couldn't he have plinked? couldn't we have plinked? couldn't you have plinked? couldn't they have plinked?	couldn't I have been plinking? couldn't you have been plinking? couldn't he have been plinking? couldn't we have been plinking? couldn't you have been plinking? couldn't they have been plinking?