could slipstream
Regular verb: slipstream - slipstreamed- slipstreamed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could slipstream
you could slipstream
he could slipstream
we could slipstream
you could slipstream
they could slipstream 	I could be slipstreaming
you could be slipstreaming
he could be slipstreaming
we could be slipstreaming
you could be slipstreaming
they could be slipstreaming	I could have slipstreamed
you could have slipstreamed
he could have slipstreamed
we could have slipstreamed
you could have slipstreamed
they could have slipstreamed	I could have been slipstreaming
you could have been slipstreaming
he could have been slipstreaming
we could have been slipstreaming
you could have been slipstreaming
they could have been slipstreaming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not slipstream
you could not slipstream
he could not slipstream
we could not slipstream
you could not slipstream
they could not slipstream 	I could not be slipstreaming
you could not be slipstreaming
he could not be slipstreaming
we could not be slipstreaming
you could not be slipstreaming
they could not be slipstreaming	I could not have slipstreamed
you could not have slipstreamed
he could not have slipstreamed
we could not have slipstreamed
you could not have slipstreamed
they could not have slipstreamed	I could not have been slipstreaming
you could not have been slipstreaming
he could not have been slipstreaming
we could not have been slipstreaming
you could not have been slipstreaming
they could not have been slipstreaming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I slipstream?
could you slipstream?
could he slipstream?
could we slipstream?
could you slipstream?
could they slipstream? 	could I be slipstreaming?
could you be slipstreaming?
could he be slipstreaming?
could we be slipstreaming?
could you be slipstreaming?
could they be slipstreaming? 	could I have slipstreamed?
could you have slipstreamed?
could he have slipstreamed?
could we have slipstreamed?
could you have slipstreamed?
could they have slipstreamed? 	could I have been slipstreaming?
could you have been slipstreaming?
could he have been slipstreaming?
could we have been slipstreaming?
could you have been slipstreaming?
could they have been slipstreaming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not slipstream?
could you not slipstream?
could he not slipstream?
could we not slipstream?
could you not slipstream?
could they not slipstream? 	could I not be slipstreaming?
could you not be slipstreaming?
could he not be slipstreaming?
could we not be slipstreaming?
could you not be slipstreaming?
could they not be slipstreaming? 	could I not have slipstreamed?
could you not have slipstreamed?
could he not have slipstreamed?
could we not have slipstreamed?
could you not have slipstreamed?
could they not have slipstreamed? 	could I not have been slipstreaming?
could you not have been slipstreaming?
could he not have been slipstreaming?
could we not have been slipstreaming?
could you not have been slipstreaming?
could they not have been slipstreaming?