English verb conjugation
COULD PIKE

Regular verb: pike - piked - piked

Affirmation

Simple form	V-ing form
I could pike you could pike he could pike we could pike you could pike they could pike	I could be piking you could be piking he could be piking we could be piking you could be piking they could be piking
Perfect	V-ing perfect
I could have piked you could have piked he could have piked we could have piked you could have piked they could have piked	I could have been piking you could have been piking he could have been piking we could have been piking you could have been piking they could have been piking

Negation

Simple form	V-ing form
I could not pike you could not pike he could not pike we could not pike you could not pike they could not pike	I could not be piking you could not be piking he could not be piking we could not be piking you could not be piking they could not be piking
Perfect	V-ing perfect
I could not have piked you could not have piked he could not have piked we could not have piked you could not have piked they could not have piked	I could not have been piking you could not have been piking he could not have been piking we could not have been piking you could not have been piking they could not have been piking

Interrogative form

Simple form	V-ing form
could I pike? could you pike? could he pike? could we pike? could you pike? could they pike?	could I be piking? could you be piking? could he be piking? could we be piking? could you be piking? could they be piking?
Perfect	V-ing perfect
could I have piked? could you have piked? could he have piked? could we have piked? could you have piked? could they have piked?	could I have been piking? could you have been piking? could he have been piking? could we have been piking? could you have been piking? could they have been piking?

Interro-negative form

Simple form	V-ing form
could I not pike? could you not pike? could he not pike? could we not pike? could you not pike? could they not pike?	could I not be piking? could you not be piking? could he not be piking? could we not be piking? could you not be piking? could they not be piking?
Perfect	V-ing perfect
could I not have piked? could you not have piked? could he not have piked? could we not have piked? could you not have piked? could they not have piked?	could I not have been piking? could you not have been piking? could he not have been piking? could we not have been piking? could you not have been piking? could they not have been piking?