English verb conjugation
COULD SWILL

Regular verb: swill - swilled - swilled

Affirmation

Simple form	V-ing form
I could swill you could swill he could swill we could swill you could swill they could swill	I could be swilling you could be swilling he could be swilling we could be swilling you could be swilling they could be swilling
Perfect	V-ing perfect
I could have swilled you could have swilled he could have swilled we could have swilled you could have swilled they could have swilled	I could have been swilling you could have been swilling he could have been swilling we could have been swilling you could have been swilling they could have been swilling

Negation

Simple form	V-ing form
I could not swill you could not swill he could not swill we could not swill you could not swill they could not swill	I could not be swilling you could not be swilling he could not be swilling we could not be swilling you could not be swilling they could not be swilling
Perfect	V-ing perfect
I could not have swilled you could not have swilled he could not have swilled we could not have swilled you could not have swilled they could not have swilled	I could not have been swilling you could not have been swilling he could not have been swilling we could not have been swilling you could not have been swilling they could not have been swilling

Interrogative form

Simple form	V-ing form
could I swill? could you swill? could he swill? could we swill? could you swill? could they swill?	could I be swilling? could you be swilling? could he be swilling? could we be swilling? could you be swilling? could they be swilling?
Perfect	V-ing perfect
could I have swilled? could you have swilled? could he have swilled? could we have swilled? could you have swilled? could they have swilled?	could I have been swilling? could you have been swilling? could he have been swilling? could we have been swilling? could you have been swilling? could they have been swilling?

Interro-negative form

Simple form	V-ing form
could I not swill? could you not swill? could he not swill? could we not swill? could you not swill? could they not swill?	could I not be swilling? could you not be swilling? could he not be swilling? could we not be swilling? could you not be swilling? could they not be swilling?
Perfect	V-ing perfect
could I not have swilled? could you not have swilled? could he not have swilled? could we not have swilled? could you not have swilled? could they not have swilled?	could I not have been swilling? could you not have been swilling? could he not have been swilling? could we not have been swilling? could you not have been swilling? could they not have been swilling?