English verb conjugation
CAN PIKE

Regular verb: pike - piked - piked

Affirmation

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

Negation

Simple form	V-ing form
I can't pike you can't pike she can't pike we can't pike you can't pike they can't pike	I can't be piking you can't be piking she can't be piking we can't be piking you can't be piking they can't be piking
Perfect	V-ing perfect
I can't have piked you can't have piked she can't have piked we can't have piked you can't have piked they can't have piked	I can't have been piking you can't have been piking she can't have been piking we can't have been piking you can't have been piking they can't have been piking

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can't I pike? can't you pike? can't she pike? can't we pike? can't you pike? can't they pike?	can't I be piking? can't you be piking? can't she be piking? can't we be piking? can't you be piking? can't they be piking?
Perfect	V-ing perfect
can't I have piked? can't you have piked? can't she have piked? can't we have piked? can't you have piked? can't they have piked?	can't I have been piking? can't you have been piking? can't she have been piking? can't we have been piking? can't you have been piking? can't they have been piking?