English verb conjugation
COULD HITCHHIKE

Regular verb: hitchhike - hitchhiked - hitchhiked

Affirmation

Simple form	V-ing form
I could hitchhike you could hitchhike he could hitchhike we could hitchhike you could hitchhike they could hitchhike	I could be hitchhiking you could be hitchhiking he could be hitchhiking we could be hitchhiking you could be hitchhiking they could be hitchhiking
Perfect	V-ing perfect
I could have hitchhiked you could have hitchhiked he could have hitchhiked we could have hitchhiked you could have hitchhiked they could have hitchhiked	I could have been hitchhiking you could have been hitchhiking he could have been hitchhiking we could have been hitchhiking you could have been hitchhiking they could have been hitchhiking

Negation

Simple form	V-ing form
I could not hitchhike you could not hitchhike he could not hitchhike we could not hitchhike you could not hitchhike they could not hitchhike	I could not be hitchhiking you could not be hitchhiking he could not be hitchhiking we could not be hitchhiking you could not be hitchhiking they could not be hitchhiking
Perfect	V-ing perfect
I could not have hitchhiked you could not have hitchhiked he could not have hitchhiked we could not have hitchhiked you could not have hitchhiked they could not have hitchhiked	I could not have been hitchhiking you could not have been hitchhiking he could not have been hitchhiking we could not have been hitchhiking you could not have been hitchhiking they could not have been hitchhiking

Interrogative form

Simple form	V-ing form
could I hitchhike? could you hitchhike? could he hitchhike? could we hitchhike? could you hitchhike? could they hitchhike?	could I be hitchhiking? could you be hitchhiking? could he be hitchhiking? could we be hitchhiking? could you be hitchhiking? could they be hitchhiking?
Perfect	V-ing perfect
could I have hitchhiked? could you have hitchhiked? could he have hitchhiked? could we have hitchhiked? could you have hitchhiked? could they have hitchhiked?	could I have been hitchhiking? could you have been hitchhiking? could he have been hitchhiking? could we have been hitchhiking? could you have been hitchhiking? could they have been hitchhiking?

Interro-negative form

Simple form	V-ing form
could I not hitchhike? could you not hitchhike? could he not hitchhike? could we not hitchhike? could you not hitchhike? could they not hitchhike?	could I not be hitchhiking? could you not be hitchhiking? could he not be hitchhiking? could we not be hitchhiking? could you not be hitchhiking? could they not be hitchhiking?
Perfect	V-ing perfect
could I not have hitchhiked? could you not have hitchhiked? could he not have hitchhiked? could we not have hitchhiked? could you not have hitchhiked? could they not have hitchhiked?	could I not have been hitchhiking? could you not have been hitchhiking? could he not have been hitchhiking? could we not have been hitchhiking? could you not have been hitchhiking? could they not have been hitchhiking?