English verb conjugation
COULD WREATHE

Regular verb: wreathe - wreathed - wreathed

Affirmation

Simple form	V-ing form
I could wreathe you could wreathe he could wreathe we could wreathe you could wreathe they could wreathe	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 couldn't wreathe you couldn't wreathe he couldn't wreathe we couldn't wreathe you couldn't wreathe they couldn't wreathe	I couldn't be wreathing you couldn't be wreathing he couldn't be wreathing we couldn't be wreathing you couldn't be wreathing they couldn't be wreathing
Perfect	V-ing perfect
I couldn't have wreathed you couldn't have wreathed he couldn't have wreathed we couldn't have wreathed you couldn't have wreathed they couldn't have wreathed	I couldn't have been wreathing you couldn't have been wreathing he couldn't have been wreathing we couldn't have been wreathing you couldn't have been wreathing they couldn't have been wreathing

Interrogative form

Simple form	V-ing form
could I wreathe? could you wreathe? could he wreathe? could we wreathe? could you wreathe? could they wreathe?	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
couldn't I wreathe? couldn't you wreathe? couldn't he wreathe? couldn't we wreathe? couldn't you wreathe? couldn't they wreathe?	couldn't I be wreathing? couldn't you be wreathing? couldn't he be wreathing? couldn't we be wreathing? couldn't you be wreathing? couldn't they be wreathing?
Perfect	V-ing perfect
couldn't I have wreathed? couldn't you have wreathed? couldn't he have wreathed? couldn't we have wreathed? couldn't you have wreathed? couldn't they have wreathed?	couldn't I have been wreathing? couldn't you have been wreathing? couldn't he have been wreathing? couldn't we have been wreathing? couldn't you have been wreathing? couldn't they have been wreathing?