English verb conjugation
COULD LABEL

Regular verb: label - labelled - labelled

Affirmation

Simple form	V-ing form
I could label you could label he could label we could label you could label they could label	I could be labelling you could be labelling he could be labelling we could be labelling you could be labelling they could be labelling
Perfect	V-ing perfect
I could have labelled you could have labelled he could have labelled we could have labelled you could have labelled they could have labelled	I could have been labelling you could have been labelling he could have been labelling we could have been labelling you could have been labelling they could have been labelling

Negation

Simple form	V-ing form
I could not label you could not label he could not label we could not label you could not label they could not label	I could not be labelling you could not be labelling he could not be labelling we could not be labelling you could not be labelling they could not be labelling
Perfect	V-ing perfect
I could not have labelled you could not have labelled he could not have labelled we could not have labelled you could not have labelled they could not have labelled	I could not have been labelling you could not have been labelling he could not have been labelling we could not have been labelling you could not have been labelling they could not have been labelling

Interrogative form

Simple form	V-ing form
could I label? could you label? could he label? could we label? could you label? could they label?	could I be labelling? could you be labelling? could he be labelling? could we be labelling? could you be labelling? could they be labelling?
Perfect	V-ing perfect
could I have labelled? could you have labelled? could he have labelled? could we have labelled? could you have labelled? could they have labelled?	could I have been labelling? could you have been labelling? could he have been labelling? could we have been labelling? could you have been labelling? could they have been labelling?

Interro-negative form

Simple form	V-ing form
could I not label? could you not label? could he not label? could we not label? could you not label? could they not label?	could I not be labelling? could you not be labelling? could he not be labelling? could we not be labelling? could you not be labelling? could they not be labelling?
Perfect	V-ing perfect
could I not have labelled? could you not have labelled? could he not have labelled? could we not have labelled? could you not have labelled? could they not have labelled?	could I not have been labelling? could you not have been labelling? could he not have been labelling? could we not have been labelling? could you not have been labelling? could they not have been labelling?