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 couldn't slipstream you couldn't slipstream he couldn't slipstream we couldn't slipstream you couldn't slipstream they couldn't slipstream	I couldn't be slipstreaming you couldn't be slipstreaming he couldn't be slipstreaming we couldn't be slipstreaming you couldn't be slipstreaming they couldn't be slipstreaming
Perfect	V-ing perfect
I couldn't have slipstreamed you couldn't have slipstreamed he couldn't have slipstreamed we couldn't have slipstreamed you couldn't have slipstreamed they couldn't have slipstreamed	I couldn't have been slipstreaming you couldn't have been slipstreaming he couldn't have been slipstreaming we couldn't have been slipstreaming you couldn't have been slipstreaming they couldn't 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
couldn't I slipstream? couldn't you slipstream? couldn't he slipstream? couldn't we slipstream? couldn't you slipstream? couldn't they slipstream?	couldn't I be slipstreaming? couldn't you be slipstreaming? couldn't he be slipstreaming? couldn't we be slipstreaming? couldn't you be slipstreaming? couldn't they be slipstreaming?
Perfect	V-ing perfect
couldn't I have slipstreamed? couldn't you have slipstreamed? couldn't he have slipstreamed? couldn't we have slipstreamed? couldn't you have slipstreamed? couldn't they have slipstreamed?	couldn't I have been slipstreaming? couldn't you have been slipstreaming? couldn't he have been slipstreaming? couldn't we have been slipstreaming? couldn't you have been slipstreaming? couldn't they have been slipstreaming?