can spike
Regular verb: spike - spiked- spiked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can spike
you can spike
he can spike
we can spike
you can spike
they can spike 	I can be spiking
you can be spiking
he can be spiking
we can be spiking
you can be spiking
they can be spiking	I can have spiked
you can have spiked
he can have spiked
we can have spiked
you can have spiked
they can have spiked	I can have been spiking
you can have been spiking
he can have been spiking
we can have been spiking
you can have been spiking
they can have been spiking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot spike
you cannot spike
he cannot spike
we cannot spike
you cannot spike
they cannot spike 	I cannot be spiking
you cannot be spiking
he cannot be spiking
we cannot be spiking
you cannot be spiking
they cannot be spiking	I cannot have spiked
you cannot have spiked
he cannot have spiked
we cannot have spiked
you cannot have spiked
they cannot have spiked	I cannot have been spiking
you cannot have been spiking
he cannot have been spiking
we cannot have been spiking
you cannot have been spiking
they cannot have been spiking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I spike?
can you spike?
can he spike?
can we spike?
can you spike?
can they spike? 	can I be spiking?
can you be spiking?
can he be spiking?
can we be spiking?
can you be spiking?
can they be spiking? 	can I have spiked?
can you have spiked?
can he have spiked?
can we have spiked?
can you have spiked?
can they have spiked? 	can I have been spiking?
can you have been spiking?
can he have been spiking?
can we have been spiking?
can you have been spiking?
can they have been spiking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not spike?
can you not spike?
can he not spike?
can we not spike?
can you not spike?
can they not spike? 	can I not be spiking?
can you not be spiking?
can he not be spiking?
can we not be spiking?
can you not be spiking?
can they not be spiking? 	can I not have spiked?
can you not have spiked?
can he not have spiked?
can we not have spiked?
can you not have spiked?
can they not have spiked? 	can I not have been spiking?
can you not have been spiking?
can he not have been spiking?
can we not have been spiking?
can you not have been spiking?
can they not have been spiking?