English verb conjugation
COULD PESTLE

Regular verb: pestle - pestled - pestled

Affirmation

Simple form	V-ing form
I could pestle you could pestle he could pestle we could pestle you could pestle they could pestle	I could be pestling you could be pestling he could be pestling we could be pestling you could be pestling they could be pestling
Perfect	V-ing perfect
I could have pestled you could have pestled he could have pestled we could have pestled you could have pestled they could have pestled	I could have been pestling you could have been pestling he could have been pestling we could have been pestling you could have been pestling they could have been pestling

Negation

Simple form	V-ing form
I could not pestle you could not pestle he could not pestle we could not pestle you could not pestle they could not pestle	I could not be pestling you could not be pestling he could not be pestling we could not be pestling you could not be pestling they could not be pestling
Perfect	V-ing perfect
I could not have pestled you could not have pestled he could not have pestled we could not have pestled you could not have pestled they could not have pestled	I could not have been pestling you could not have been pestling he could not have been pestling we could not have been pestling you could not have been pestling they could not have been pestling

Interrogative form

Simple form	V-ing form
could I pestle? could you pestle? could he pestle? could we pestle? could you pestle? could they pestle?	could I be pestling? could you be pestling? could he be pestling? could we be pestling? could you be pestling? could they be pestling?
Perfect	V-ing perfect
could I have pestled? could you have pestled? could he have pestled? could we have pestled? could you have pestled? could they have pestled?	could I have been pestling? could you have been pestling? could he have been pestling? could we have been pestling? could you have been pestling? could they have been pestling?

Interro-negative form

Simple form	V-ing form
could I not pestle? could you not pestle? could he not pestle? could we not pestle? could you not pestle? could they not pestle?	could I not be pestling? could you not be pestling? could he not be pestling? could we not be pestling? could you not be pestling? could they not be pestling?
Perfect	V-ing perfect
could I not have pestled? could you not have pestled? could he not have pestled? could we not have pestled? could you not have pestled? could they not have pestled?	could I not have been pestling? could you not have been pestling? could he not have been pestling? could we not have been pestling? could you not have been pestling? could they not have been pestling?