English verb conjugation
COULD SLIPSTREAM

Regular verb: slipstream - slipstreamed - slipstreamed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?