English verb conjugation
COULD DISTIL

Regular verb: distil - distiled - distiled

Affirmation

Simple form	V-ing form
I could distil you could distil he could distil we could distil you could distil they could distil	I could be distiling you could be distiling he could be distiling we could be distiling you could be distiling they could be distiling
Perfect	V-ing perfect
I could have distiled you could have distiled he could have distiled we could have distiled you could have distiled they could have distiled	I could have been distiling you could have been distiling he could have been distiling we could have been distiling you could have been distiling they could have been distiling

Negation

Simple form	V-ing form
I could not distil you could not distil he could not distil we could not distil you could not distil they could not distil	I could not be distiling you could not be distiling he could not be distiling we could not be distiling you could not be distiling they could not be distiling
Perfect	V-ing perfect
I could not have distiled you could not have distiled he could not have distiled we could not have distiled you could not have distiled they could not have distiled	I could not have been distiling you could not have been distiling he could not have been distiling we could not have been distiling you could not have been distiling they could not have been distiling

Interrogative form

Simple form	V-ing form
could I distil? could you distil? could he distil? could we distil? could you distil? could they distil?	could I be distiling? could you be distiling? could he be distiling? could we be distiling? could you be distiling? could they be distiling?
Perfect	V-ing perfect
could I have distiled? could you have distiled? could he have distiled? could we have distiled? could you have distiled? could they have distiled?	could I have been distiling? could you have been distiling? could he have been distiling? could we have been distiling? could you have been distiling? could they have been distiling?

Interro-negative form

Simple form	V-ing form
could I not distil? could you not distil? could he not distil? could we not distil? could you not distil? could they not distil?	could I not be distiling? could you not be distiling? could he not be distiling? could we not be distiling? could you not be distiling? could they not be distiling?
Perfect	V-ing perfect
could I not have distiled? could you not have distiled? could he not have distiled? could we not have distiled? could you not have distiled? could they not have distiled?	could I not have been distiling? could you not have been distiling? could he not have been distiling? could we not have been distiling? could you not have been distiling? could they not have been distiling?