English verb conjugation
COULD FINK

Regular verb: fink - finked - finked

Affirmation

Simple form	V-ing form
I could fink you could fink he could fink we could fink you could fink they could fink	I could be finking you could be finking he could be finking we could be finking you could be finking they could be finking
Perfect	V-ing perfect
I could have finked you could have finked he could have finked we could have finked you could have finked they could have finked	I could have been finking you could have been finking he could have been finking we could have been finking you could have been finking they could have been finking

Negation

Simple form	V-ing form
I could not fink you could not fink he could not fink we could not fink you could not fink they could not fink	I could not be finking you could not be finking he could not be finking we could not be finking you could not be finking they could not be finking
Perfect	V-ing perfect
I could not have finked you could not have finked he could not have finked we could not have finked you could not have finked they could not have finked	I could not have been finking you could not have been finking he could not have been finking we could not have been finking you could not have been finking they could not have been finking

Interrogative form

Simple form	V-ing form
could I fink? could you fink? could he fink? could we fink? could you fink? could they fink?	could I be finking? could you be finking? could he be finking? could we be finking? could you be finking? could they be finking?
Perfect	V-ing perfect
could I have finked? could you have finked? could he have finked? could we have finked? could you have finked? could they have finked?	could I have been finking? could you have been finking? could he have been finking? could we have been finking? could you have been finking? could they have been finking?

Interro-negative form

Simple form	V-ing form
could I not fink? could you not fink? could he not fink? could we not fink? could you not fink? could they not fink?	could I not be finking? could you not be finking? could he not be finking? could we not be finking? could you not be finking? could they not be finking?
Perfect	V-ing perfect
could I not have finked? could you not have finked? could he not have finked? could we not have finked? could you not have finked? could they not have finked?	could I not have been finking? could you not have been finking? could he not have been finking? could we not have been finking? could you not have been finking? could they not have been finking?