English verb conjugation
COULD WEIGHT

Regular verb: weight - weighted - weighted

Affirmation

Simple form	V-ing form
I could weight you could weight he could weight we could weight you could weight they could weight	I could be weighting you could be weighting he could be weighting we could be weighting you could be weighting they could be weighting
Perfect	V-ing perfect
I could have weighted you could have weighted he could have weighted we could have weighted you could have weighted they could have weighted	I could have been weighting you could have been weighting he could have been weighting we could have been weighting you could have been weighting they could have been weighting

Negation

Simple form	V-ing form
I could not weight you could not weight he could not weight we could not weight you could not weight they could not weight	I could not be weighting you could not be weighting he could not be weighting we could not be weighting you could not be weighting they could not be weighting
Perfect	V-ing perfect
I could not have weighted you could not have weighted he could not have weighted we could not have weighted you could not have weighted they could not have weighted	I could not have been weighting you could not have been weighting he could not have been weighting we could not have been weighting you could not have been weighting they could not have been weighting

Interrogative form

Simple form	V-ing form
could I weight? could you weight? could he weight? could we weight? could you weight? could they weight?	could I be weighting? could you be weighting? could he be weighting? could we be weighting? could you be weighting? could they be weighting?
Perfect	V-ing perfect
could I have weighted? could you have weighted? could he have weighted? could we have weighted? could you have weighted? could they have weighted?	could I have been weighting? could you have been weighting? could he have been weighting? could we have been weighting? could you have been weighting? could they have been weighting?

Interro-negative form

Simple form	V-ing form
could I not weight? could you not weight? could he not weight? could we not weight? could you not weight? could they not weight?	could I not be weighting? could you not be weighting? could he not be weighting? could we not be weighting? could you not be weighting? could they not be weighting?
Perfect	V-ing perfect
could I not have weighted? could you not have weighted? could he not have weighted? could we not have weighted? could you not have weighted? could they not have weighted?	could I not have been weighting? could you not have been weighting? could he not have been weighting? could we not have been weighting? could you not have been weighting? could they not have been weighting?