English verb conjugation
COULD CHINK

Regular verb: chink - chinked - chinked

Affirmation

Simple form	V-ing form
I could chink you could chink he could chink we could chink you could chink they could chink	I could be chinking you could be chinking he could be chinking we could be chinking you could be chinking they could be chinking
Perfect	V-ing perfect
I could have chinked you could have chinked he could have chinked we could have chinked you could have chinked they could have chinked	I could have been chinking you could have been chinking he could have been chinking we could have been chinking you could have been chinking they could have been chinking

Negation

Simple form	V-ing form
I couldn't chink you couldn't chink he couldn't chink we couldn't chink you couldn't chink they couldn't chink	I couldn't be chinking you couldn't be chinking he couldn't be chinking we couldn't be chinking you couldn't be chinking they couldn't be chinking
Perfect	V-ing perfect
I couldn't have chinked you couldn't have chinked he couldn't have chinked we couldn't have chinked you couldn't have chinked they couldn't have chinked	I couldn't have been chinking you couldn't have been chinking he couldn't have been chinking we couldn't have been chinking you couldn't have been chinking they couldn't have been chinking

Interrogative form

Simple form	V-ing form
could I chink? could you chink? could he chink? could we chink? could you chink? could they chink?	could I be chinking? could you be chinking? could he be chinking? could we be chinking? could you be chinking? could they be chinking?
Perfect	V-ing perfect
could I have chinked? could you have chinked? could he have chinked? could we have chinked? could you have chinked? could they have chinked?	could I have been chinking? could you have been chinking? could he have been chinking? could we have been chinking? could you have been chinking? could they have been chinking?

Interro-negative form

Simple form	V-ing form
couldn't I chink? couldn't you chink? couldn't he chink? couldn't we chink? couldn't you chink? couldn't they chink?	couldn't I be chinking? couldn't you be chinking? couldn't he be chinking? couldn't we be chinking? couldn't you be chinking? couldn't they be chinking?
Perfect	V-ing perfect
couldn't I have chinked? couldn't you have chinked? couldn't he have chinked? couldn't we have chinked? couldn't you have chinked? couldn't they have chinked?	couldn't I have been chinking? couldn't you have been chinking? couldn't he have been chinking? couldn't we have been chinking? couldn't you have been chinking? couldn't they have been chinking?