English verb conjugation
CAN PITCHFORK

Regular verb: pitchfork - pitchforked - pitchforked

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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