could strafe
Regular verb: strafe - strafed- strafed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could strafe
you could strafe
she could strafe
we could strafe
you could strafe
they could strafe 	I could be strafing
you could be strafing
she could be strafing
we could be strafing
you could be strafing
they could be strafing	I could have strafed
you could have strafed
she could have strafed
we could have strafed
you could have strafed
they could have strafed	I could have been strafing
you could have been strafing
she could have been strafing
we could have been strafing
you could have been strafing
they could have been strafing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not strafe
you could not strafe
she could not strafe
we could not strafe
you could not strafe
they could not strafe 	I could not be strafing
you could not be strafing
she could not be strafing
we could not be strafing
you could not be strafing
they could not be strafing	I could not have strafed
you could not have strafed
she could not have strafed
we could not have strafed
you could not have strafed
they could not have strafed	I could not have been strafing
you could not have been strafing
she could not have been strafing
we could not have been strafing
you could not have been strafing
they could not have been strafing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I strafe?
could you strafe?
could she strafe?
could we strafe?
could you strafe?
could they strafe? 	could I be strafing?
could you be strafing?
could she be strafing?
could we be strafing?
could you be strafing?
could they be strafing? 	could I have strafed?
could you have strafed?
could she have strafed?
could we have strafed?
could you have strafed?
could they have strafed? 	could I have been strafing?
could you have been strafing?
could she have been strafing?
could we have been strafing?
could you have been strafing?
could they have been strafing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not strafe?
could you not strafe?
could she not strafe?
could we not strafe?
could you not strafe?
could they not strafe? 	could I not be strafing?
could you not be strafing?
could she not be strafing?
could we not be strafing?
could you not be strafing?
could they not be strafing? 	could I not have strafed?
could you not have strafed?
could she not have strafed?
could we not have strafed?
could you not have strafed?
could they not have strafed? 	could I not have been strafing?
could you not have been strafing?
could she not have been strafing?
could we not have been strafing?
could you not have been strafing?
could they not have been strafing?