English verb conjugation
COULD PITCHFORK

Regular verb: pitchfork - pitchforked - pitchforked

Affirmation

Simple form	V-ing form
I could pitchfork you could pitchfork he could pitchfork we could pitchfork you could pitchfork they could pitchfork	I could be pitchforking you could be pitchforking he could be pitchforking we could be pitchforking you could be pitchforking they could be pitchforking
Perfect	V-ing perfect
I could have pitchforked you could have pitchforked he could have pitchforked we could have pitchforked you could have pitchforked they could have pitchforked	I could have been pitchforking you could have been pitchforking he could have been pitchforking we could have been pitchforking you could have been pitchforking they could have been pitchforking

Negation

Simple form	V-ing form
I could not pitchfork you could not pitchfork he could not pitchfork we could not pitchfork you could not pitchfork they could not pitchfork	I could not be pitchforking you could not be pitchforking he could not be pitchforking we could not be pitchforking you could not be pitchforking they could not be pitchforking
Perfect	V-ing perfect
I could not have pitchforked you could not have pitchforked he could not have pitchforked we could not have pitchforked you could not have pitchforked they could not have pitchforked	I could not have been pitchforking you could not have been pitchforking he could not have been pitchforking we could not have been pitchforking you could not have been pitchforking they could not have been pitchforking

Interrogative form

Simple form	V-ing form
could I pitchfork? could you pitchfork? could he pitchfork? could we pitchfork? could you pitchfork? could they pitchfork?	could I be pitchforking? could you be pitchforking? could he be pitchforking? could we be pitchforking? could you be pitchforking? could they be pitchforking?
Perfect	V-ing perfect
could I have pitchforked? could you have pitchforked? could he have pitchforked? could we have pitchforked? could you have pitchforked? could they have pitchforked?	could I have been pitchforking? could you have been pitchforking? could he have been pitchforking? could we have been pitchforking? could you have been pitchforking? could they have been pitchforking?

Interro-negative form

Simple form	V-ing form
could I not pitchfork? could you not pitchfork? could he not pitchfork? could we not pitchfork? could you not pitchfork? could they not pitchfork?	could I not be pitchforking? could you not be pitchforking? could he not be pitchforking? could we not be pitchforking? could you not be pitchforking? could they not be pitchforking?
Perfect	V-ing perfect
could I not have pitchforked? could you not have pitchforked? could he not have pitchforked? could we not have pitchforked? could you not have pitchforked? could they not have pitchforked?	could I not have been pitchforking? could you not have been pitchforking? could he not have been pitchforking? could we not have been pitchforking? could you not have been pitchforking? could they not have been pitchforking?