English verb conjugation
COULD RESPINE

Regular verb: respine - respined - respined

Affirmation

Simple form	V-ing form
I could respine you could respine he could respine we could respine you could respine they could respine	I could be respining you could be respining he could be respining we could be respining you could be respining they could be respining
Perfect	V-ing perfect
I could have respined you could have respined he could have respined we could have respined you could have respined they could have respined	I could have been respining you could have been respining he could have been respining we could have been respining you could have been respining they could have been respining

Negation

Simple form	V-ing form
I could not respine you could not respine he could not respine we could not respine you could not respine they could not respine	I could not be respining you could not be respining he could not be respining we could not be respining you could not be respining they could not be respining
Perfect	V-ing perfect
I could not have respined you could not have respined he could not have respined we could not have respined you could not have respined they could not have respined	I could not have been respining you could not have been respining he could not have been respining we could not have been respining you could not have been respining they could not have been respining

Interrogative form

Simple form	V-ing form
could I respine? could you respine? could he respine? could we respine? could you respine? could they respine?	could I be respining? could you be respining? could he be respining? could we be respining? could you be respining? could they be respining?
Perfect	V-ing perfect
could I have respined? could you have respined? could he have respined? could we have respined? could you have respined? could they have respined?	could I have been respining? could you have been respining? could he have been respining? could we have been respining? could you have been respining? could they have been respining?

Interro-negative form

Simple form	V-ing form
could I not respine? could you not respine? could he not respine? could we not respine? could you not respine? could they not respine?	could I not be respining? could you not be respining? could he not be respining? could we not be respining? could you not be respining? could they not be respining?
Perfect	V-ing perfect
could I not have respined? could you not have respined? could he not have respined? could we not have respined? could you not have respined? could they not have respined?	could I not have been respining? could you not have been respining? could he not have been respining? could we not have been respining? could you not have been respining? could they not have been respining?