English verb conjugation
COULD CHISEL

Regular verb: chisel - chiselled - chiselled

Affirmation

Simple form	V-ing form
I could chisel you could chisel he could chisel we could chisel you could chisel they could chisel	I could be chiselling you could be chiselling he could be chiselling we could be chiselling you could be chiselling they could be chiselling
Perfect	V-ing perfect
I could have chiselled you could have chiselled he could have chiselled we could have chiselled you could have chiselled they could have chiselled	I could have been chiselling you could have been chiselling he could have been chiselling we could have been chiselling you could have been chiselling they could have been chiselling

Negation

Simple form	V-ing form
I couldn't chisel you couldn't chisel he couldn't chisel we couldn't chisel you couldn't chisel they couldn't chisel	I couldn't be chiselling you couldn't be chiselling he couldn't be chiselling we couldn't be chiselling you couldn't be chiselling they couldn't be chiselling
Perfect	V-ing perfect
I couldn't have chiselled you couldn't have chiselled he couldn't have chiselled we couldn't have chiselled you couldn't have chiselled they couldn't have chiselled	I couldn't have been chiselling you couldn't have been chiselling he couldn't have been chiselling we couldn't have been chiselling you couldn't have been chiselling they couldn't have been chiselling

Interrogative form

Simple form	V-ing form
could I chisel? could you chisel? could he chisel? could we chisel? could you chisel? could they chisel?	could I be chiselling? could you be chiselling? could he be chiselling? could we be chiselling? could you be chiselling? could they be chiselling?
Perfect	V-ing perfect
could I have chiselled? could you have chiselled? could he have chiselled? could we have chiselled? could you have chiselled? could they have chiselled?	could I have been chiselling? could you have been chiselling? could he have been chiselling? could we have been chiselling? could you have been chiselling? could they have been chiselling?

Interro-negative form

Simple form	V-ing form
couldn't I chisel? couldn't you chisel? couldn't he chisel? couldn't we chisel? couldn't you chisel? couldn't they chisel?	couldn't I be chiselling? couldn't you be chiselling? couldn't he be chiselling? couldn't we be chiselling? couldn't you be chiselling? couldn't they be chiselling?
Perfect	V-ing perfect
couldn't I have chiselled? couldn't you have chiselled? couldn't he have chiselled? couldn't we have chiselled? couldn't you have chiselled? couldn't they have chiselled?	couldn't I have been chiselling? couldn't you have been chiselling? couldn't he have been chiselling? couldn't we have been chiselling? couldn't you have been chiselling? couldn't they have been chiselling?