may spike
Regular verb: spike - spiked- spiked

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

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

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

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