English verb conjugation
COULD FINK

Regular verb: fink - finked - finked

Affirmation

Simple form	V-ing form
I could fink you could fink she could fink we could fink you could fink they could fink	I could be finking you could be finking she 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 she 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 she 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 couldn't fink you couldn't fink she couldn't fink we couldn't fink you couldn't fink they couldn't fink	I couldn't be finking you couldn't be finking she couldn't be finking we couldn't be finking you couldn't be finking they couldn't be finking
Perfect	V-ing perfect
I couldn't have finked you couldn't have finked she couldn't have finked we couldn't have finked you couldn't have finked they couldn't have finked	I couldn't have been finking you couldn't have been finking she couldn't have been finking we couldn't have been finking you couldn't have been finking they couldn't have been finking

Interrogative form

Simple form	V-ing form
could I fink? could you fink? could she fink? could we fink? could you fink? could they fink?	could I be finking? could you be finking? could she 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 she 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 she 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
couldn't I fink? couldn't you fink? couldn't she fink? couldn't we fink? couldn't you fink? couldn't they fink?	couldn't I be finking? couldn't you be finking? couldn't she be finking? couldn't we be finking? couldn't you be finking? couldn't they be finking?
Perfect	V-ing perfect
couldn't I have finked? couldn't you have finked? couldn't she have finked? couldn't we have finked? couldn't you have finked? couldn't they have finked?	couldn't I have been finking? couldn't you have been finking? couldn't she have been finking? couldn't we have been finking? couldn't you have been finking? couldn't they have been finking?