English verb conjugation
COULD WREATH

Regular verb: wreath - wreathed - wreathed

Affirmation

Simple form	V-ing form
I could wreath you could wreath he could wreath we could wreath you could wreath they could wreath	I could be wreathing you could be wreathing he could be wreathing we could be wreathing you could be wreathing they could be wreathing
Perfect	V-ing perfect
I could have wreathed you could have wreathed he could have wreathed we could have wreathed you could have wreathed they could have wreathed	I could have been wreathing you could have been wreathing he could have been wreathing we could have been wreathing you could have been wreathing they could have been wreathing

Negation

Simple form	V-ing form
I could not wreath you could not wreath he could not wreath we could not wreath you could not wreath they could not wreath	I could not be wreathing you could not be wreathing he could not be wreathing we could not be wreathing you could not be wreathing they could not be wreathing
Perfect	V-ing perfect
I could not have wreathed you could not have wreathed he could not have wreathed we could not have wreathed you could not have wreathed they could not have wreathed	I could not have been wreathing you could not have been wreathing he could not have been wreathing we could not have been wreathing you could not have been wreathing they could not have been wreathing

Interrogative form

Simple form	V-ing form
could I wreath? could you wreath? could he wreath? could we wreath? could you wreath? could they wreath?	could I be wreathing? could you be wreathing? could he be wreathing? could we be wreathing? could you be wreathing? could they be wreathing?
Perfect	V-ing perfect
could I have wreathed? could you have wreathed? could he have wreathed? could we have wreathed? could you have wreathed? could they have wreathed?	could I have been wreathing? could you have been wreathing? could he have been wreathing? could we have been wreathing? could you have been wreathing? could they have been wreathing?

Interro-negative form

Simple form	V-ing form
could I not wreath? could you not wreath? could he not wreath? could we not wreath? could you not wreath? could they not wreath?	could I not be wreathing? could you not be wreathing? could he not be wreathing? could we not be wreathing? could you not be wreathing? could they not be wreathing?
Perfect	V-ing perfect
could I not have wreathed? could you not have wreathed? could he not have wreathed? could we not have wreathed? could you not have wreathed? could they not have wreathed?	could I not have been wreathing? could you not have been wreathing? could he not have been wreathing? could we not have been wreathing? could you not have been wreathing? could they not have been wreathing?