English verb conjugation
COULD GUTTER

Regular verb: gutter - guttered - guttered

Affirmation

Simple form	V-ing form
I could gutter you could gutter he could gutter we could gutter you could gutter they could gutter	I could be guttering you could be guttering he could be guttering we could be guttering you could be guttering they could be guttering
Perfect	V-ing perfect
I could have guttered you could have guttered he could have guttered we could have guttered you could have guttered they could have guttered	I could have been guttering you could have been guttering he could have been guttering we could have been guttering you could have been guttering they could have been guttering

Negation

Simple form	V-ing form
I couldn't gutter you couldn't gutter he couldn't gutter we couldn't gutter you couldn't gutter they couldn't gutter	I couldn't be guttering you couldn't be guttering he couldn't be guttering we couldn't be guttering you couldn't be guttering they couldn't be guttering
Perfect	V-ing perfect
I couldn't have guttered you couldn't have guttered he couldn't have guttered we couldn't have guttered you couldn't have guttered they couldn't have guttered	I couldn't have been guttering you couldn't have been guttering he couldn't have been guttering we couldn't have been guttering you couldn't have been guttering they couldn't have been guttering

Interrogative form

Simple form	V-ing form
could I gutter? could you gutter? could he gutter? could we gutter? could you gutter? could they gutter?	could I be guttering? could you be guttering? could he be guttering? could we be guttering? could you be guttering? could they be guttering?
Perfect	V-ing perfect
could I have guttered? could you have guttered? could he have guttered? could we have guttered? could you have guttered? could they have guttered?	could I have been guttering? could you have been guttering? could he have been guttering? could we have been guttering? could you have been guttering? could they have been guttering?

Interro-negative form

Simple form	V-ing form
couldn't I gutter? couldn't you gutter? couldn't he gutter? couldn't we gutter? couldn't you gutter? couldn't they gutter?	couldn't I be guttering? couldn't you be guttering? couldn't he be guttering? couldn't we be guttering? couldn't you be guttering? couldn't they be guttering?
Perfect	V-ing perfect
couldn't I have guttered? couldn't you have guttered? couldn't he have guttered? couldn't we have guttered? couldn't you have guttered? couldn't they have guttered?	couldn't I have been guttering? couldn't you have been guttering? couldn't he have been guttering? couldn't we have been guttering? couldn't you have been guttering? couldn't they have been guttering?