English verb conjugation
COULD TURPENTINE

Regular verb: turpentine - turpentined - turpentined

Affirmation

Simple form	V-ing form
I could turpentine you could turpentine he could turpentine we could turpentine you could turpentine they could turpentine	I could be turpentining you could be turpentining he could be turpentining we could be turpentining you could be turpentining they could be turpentining
Perfect	V-ing perfect
I could have turpentined you could have turpentined he could have turpentined we could have turpentined you could have turpentined they could have turpentined	I could have been turpentining you could have been turpentining he could have been turpentining we could have been turpentining you could have been turpentining they could have been turpentining

Negation

Simple form	V-ing form
I could not turpentine you could not turpentine he could not turpentine we could not turpentine you could not turpentine they could not turpentine	I could not be turpentining you could not be turpentining he could not be turpentining we could not be turpentining you could not be turpentining they could not be turpentining
Perfect	V-ing perfect
I could not have turpentined you could not have turpentined he could not have turpentined we could not have turpentined you could not have turpentined they could not have turpentined	I could not have been turpentining you could not have been turpentining he could not have been turpentining we could not have been turpentining you could not have been turpentining they could not have been turpentining

Interrogative form

Simple form	V-ing form
could I turpentine? could you turpentine? could he turpentine? could we turpentine? could you turpentine? could they turpentine?	could I be turpentining? could you be turpentining? could he be turpentining? could we be turpentining? could you be turpentining? could they be turpentining?
Perfect	V-ing perfect
could I have turpentined? could you have turpentined? could he have turpentined? could we have turpentined? could you have turpentined? could they have turpentined?	could I have been turpentining? could you have been turpentining? could he have been turpentining? could we have been turpentining? could you have been turpentining? could they have been turpentining?

Interro-negative form

Simple form	V-ing form
could I not turpentine? could you not turpentine? could he not turpentine? could we not turpentine? could you not turpentine? could they not turpentine?	could I not be turpentining? could you not be turpentining? could he not be turpentining? could we not be turpentining? could you not be turpentining? could they not be turpentining?
Perfect	V-ing perfect
could I not have turpentined? could you not have turpentined? could he not have turpentined? could we not have turpentined? could you not have turpentined? could they not have turpentined?	could I not have been turpentining? could you not have been turpentining? could he not have been turpentining? could we not have been turpentining? could you not have been turpentining? could they not have been turpentining?