English verb conjugation
COULD CLINK

Regular verb: clink - clinked - clinked

Affirmation

Simple form	V-ing form
I could clink you could clink he could clink we could clink you could clink they could clink	I could be clinking you could be clinking he could be clinking we could be clinking you could be clinking they could be clinking
Perfect	V-ing perfect
I could have clinked you could have clinked he could have clinked we could have clinked you could have clinked they could have clinked	I could have been clinking you could have been clinking he could have been clinking we could have been clinking you could have been clinking they could have been clinking

Negation

Simple form	V-ing form
I couldn't clink you couldn't clink he couldn't clink we couldn't clink you couldn't clink they couldn't clink	I couldn't be clinking you couldn't be clinking he couldn't be clinking we couldn't be clinking you couldn't be clinking they couldn't be clinking
Perfect	V-ing perfect
I couldn't have clinked you couldn't have clinked he couldn't have clinked we couldn't have clinked you couldn't have clinked they couldn't have clinked	I couldn't have been clinking you couldn't have been clinking he couldn't have been clinking we couldn't have been clinking you couldn't have been clinking they couldn't have been clinking

Interrogative form

Simple form	V-ing form
could I clink? could you clink? could he clink? could we clink? could you clink? could they clink?	could I be clinking? could you be clinking? could he be clinking? could we be clinking? could you be clinking? could they be clinking?
Perfect	V-ing perfect
could I have clinked? could you have clinked? could he have clinked? could we have clinked? could you have clinked? could they have clinked?	could I have been clinking? could you have been clinking? could he have been clinking? could we have been clinking? could you have been clinking? could they have been clinking?

Interro-negative form

Simple form	V-ing form
couldn't I clink? couldn't you clink? couldn't he clink? couldn't we clink? couldn't you clink? couldn't they clink?	couldn't I be clinking? couldn't you be clinking? couldn't he be clinking? couldn't we be clinking? couldn't you be clinking? couldn't they be clinking?
Perfect	V-ing perfect
couldn't I have clinked? couldn't you have clinked? couldn't he have clinked? couldn't we have clinked? couldn't you have clinked? couldn't they have clinked?	couldn't I have been clinking? couldn't you have been clinking? couldn't he have been clinking? couldn't we have been clinking? couldn't you have been clinking? couldn't they have been clinking?