can pike
Regular verb: pike - piked- piked

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