English verb conjugation
COULD RUSTLE

Regular verb: rustle - rustled - rustled

Affirmation

Simple form	V-ing form
I could rustle you could rustle he could rustle we could rustle you could rustle they could rustle	I could be rustling you could be rustling he could be rustling we could be rustling you could be rustling they could be rustling
Perfect	V-ing perfect
I could have rustled you could have rustled he could have rustled we could have rustled you could have rustled they could have rustled	I could have been rustling you could have been rustling he could have been rustling we could have been rustling you could have been rustling they could have been rustling

Negation

Simple form	V-ing form
I could not rustle you could not rustle he could not rustle we could not rustle you could not rustle they could not rustle	I could not be rustling you could not be rustling he could not be rustling we could not be rustling you could not be rustling they could not be rustling
Perfect	V-ing perfect
I could not have rustled you could not have rustled he could not have rustled we could not have rustled you could not have rustled they could not have rustled	I could not have been rustling you could not have been rustling he could not have been rustling we could not have been rustling you could not have been rustling they could not have been rustling

Interrogative form

Simple form	V-ing form
could I rustle? could you rustle? could he rustle? could we rustle? could you rustle? could they rustle?	could I be rustling? could you be rustling? could he be rustling? could we be rustling? could you be rustling? could they be rustling?
Perfect	V-ing perfect
could I have rustled? could you have rustled? could he have rustled? could we have rustled? could you have rustled? could they have rustled?	could I have been rustling? could you have been rustling? could he have been rustling? could we have been rustling? could you have been rustling? could they have been rustling?

Interro-negative form

Simple form	V-ing form
could I not rustle? could you not rustle? could he not rustle? could we not rustle? could you not rustle? could they not rustle?	could I not be rustling? could you not be rustling? could he not be rustling? could we not be rustling? could you not be rustling? could they not be rustling?
Perfect	V-ing perfect
could I not have rustled? could you not have rustled? could he not have rustled? could we not have rustled? could you not have rustled? could they not have rustled?	could I not have been rustling? could you not have been rustling? could he not have been rustling? could we not have been rustling? could you not have been rustling? could they not have been rustling?