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 couldn't distil you couldn't distil he couldn't distil we couldn't distil you couldn't distil they couldn't distil	I couldn't be distiling you couldn't be distiling he couldn't be distiling we couldn't be distiling you couldn't be distiling they couldn't be distiling
Perfect	V-ing perfect
I couldn't have distiled you couldn't have distiled he couldn't have distiled we couldn't have distiled you couldn't have distiled they couldn't have distiled	I couldn't have been distiling you couldn't have been distiling he couldn't have been distiling we couldn't have been distiling you couldn't have been distiling they couldn't 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
couldn't I distil? couldn't you distil? couldn't he distil? couldn't we distil? couldn't you distil? couldn't they distil?	couldn't I be distiling? couldn't you be distiling? couldn't he be distiling? couldn't we be distiling? couldn't you be distiling? couldn't they be distiling?
Perfect	V-ing perfect
couldn't I have distiled? couldn't you have distiled? couldn't he have distiled? couldn't we have distiled? couldn't you have distiled? couldn't they have distiled?	couldn't I have been distiling? couldn't you have been distiling? couldn't he have been distiling? couldn't we have been distiling? couldn't you have been distiling? couldn't they have been distiling?