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 couldn't pike you couldn't pike he couldn't pike we couldn't pike you couldn't pike they couldn't pike	I couldn't be piking you couldn't be piking he couldn't be piking we couldn't be piking you couldn't be piking they couldn't be piking
Perfect	V-ing perfect
I couldn't have piked you couldn't have piked he couldn't have piked we couldn't have piked you couldn't have piked they couldn't have piked	I couldn't have been piking you couldn't have been piking he couldn't have been piking we couldn't have been piking you couldn't have been piking they couldn't 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
couldn't I pike? couldn't you pike? couldn't he pike? couldn't we pike? couldn't you pike? couldn't they pike?	couldn't I be piking? couldn't you be piking? couldn't he be piking? couldn't we be piking? couldn't you be piking? couldn't they be piking?
Perfect	V-ing perfect
couldn't I have piked? couldn't you have piked? couldn't he have piked? couldn't we have piked? couldn't you have piked? couldn't they have piked?	couldn't I have been piking? couldn't you have been piking? couldn't he have been piking? couldn't we have been piking? couldn't you have been piking? couldn't they have been piking?