English verb conjugation
COULD REBOIL

Regular verb: reboil - reboiled - reboiled

Affirmation

Simple form	V-ing form
I could reboil you could reboil he could reboil we could reboil you could reboil they could reboil	I could be reboiling you could be reboiling he could be reboiling we could be reboiling you could be reboiling they could be reboiling
Perfect	V-ing perfect
I could have reboiled you could have reboiled he could have reboiled we could have reboiled you could have reboiled they could have reboiled	I could have been reboiling you could have been reboiling he could have been reboiling we could have been reboiling you could have been reboiling they could have been reboiling

Negation

Simple form	V-ing form
I could not reboil you could not reboil he could not reboil we could not reboil you could not reboil they could not reboil	I could not be reboiling you could not be reboiling he could not be reboiling we could not be reboiling you could not be reboiling they could not be reboiling
Perfect	V-ing perfect
I could not have reboiled you could not have reboiled he could not have reboiled we could not have reboiled you could not have reboiled they could not have reboiled	I could not have been reboiling you could not have been reboiling he could not have been reboiling we could not have been reboiling you could not have been reboiling they could not have been reboiling

Interrogative form

Simple form	V-ing form
could I reboil? could you reboil? could he reboil? could we reboil? could you reboil? could they reboil?	could I be reboiling? could you be reboiling? could he be reboiling? could we be reboiling? could you be reboiling? could they be reboiling?
Perfect	V-ing perfect
could I have reboiled? could you have reboiled? could he have reboiled? could we have reboiled? could you have reboiled? could they have reboiled?	could I have been reboiling? could you have been reboiling? could he have been reboiling? could we have been reboiling? could you have been reboiling? could they have been reboiling?

Interro-negative form

Simple form	V-ing form
could I not reboil? could you not reboil? could he not reboil? could we not reboil? could you not reboil? could they not reboil?	could I not be reboiling? could you not be reboiling? could he not be reboiling? could we not be reboiling? could you not be reboiling? could they not be reboiling?
Perfect	V-ing perfect
could I not have reboiled? could you not have reboiled? could he not have reboiled? could we not have reboiled? could you not have reboiled? could they not have reboiled?	could I not have been reboiling? could you not have been reboiling? could he not have been reboiling? could we not have been reboiling? could you not have been reboiling? could they not have been reboiling?