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 couldn't reboil you couldn't reboil he couldn't reboil we couldn't reboil you couldn't reboil they couldn't reboil	I couldn't be reboiling you couldn't be reboiling he couldn't be reboiling we couldn't be reboiling you couldn't be reboiling they couldn't be reboiling
Perfect	V-ing perfect
I couldn't have reboiled you couldn't have reboiled he couldn't have reboiled we couldn't have reboiled you couldn't have reboiled they couldn't have reboiled	I couldn't have been reboiling you couldn't have been reboiling he couldn't have been reboiling we couldn't have been reboiling you couldn't have been reboiling they couldn't 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
couldn't I reboil? couldn't you reboil? couldn't he reboil? couldn't we reboil? couldn't you reboil? couldn't they reboil?	couldn't I be reboiling? couldn't you be reboiling? couldn't he be reboiling? couldn't we be reboiling? couldn't you be reboiling? couldn't they be reboiling?
Perfect	V-ing perfect
couldn't I have reboiled? couldn't you have reboiled? couldn't he have reboiled? couldn't we have reboiled? couldn't you have reboiled? couldn't they have reboiled?	couldn't I have been reboiling? couldn't you have been reboiling? couldn't he have been reboiling? couldn't we have been reboiling? couldn't you have been reboiling? couldn't they have been reboiling?