English verb conjugation
COULD SUGAR

Regular verb: sugar - sugared - sugared

Affirmation

Simple form	V-ing form
I could sugar you could sugar he could sugar we could sugar you could sugar they could sugar	I could be sugaring you could be sugaring he could be sugaring we could be sugaring you could be sugaring they could be sugaring
Perfect	V-ing perfect
I could have sugared you could have sugared he could have sugared we could have sugared you could have sugared they could have sugared	I could have been sugaring you could have been sugaring he could have been sugaring we could have been sugaring you could have been sugaring they could have been sugaring

Negation

Simple form	V-ing form
I couldn't sugar you couldn't sugar he couldn't sugar we couldn't sugar you couldn't sugar they couldn't sugar	I couldn't be sugaring you couldn't be sugaring he couldn't be sugaring we couldn't be sugaring you couldn't be sugaring they couldn't be sugaring
Perfect	V-ing perfect
I couldn't have sugared you couldn't have sugared he couldn't have sugared we couldn't have sugared you couldn't have sugared they couldn't have sugared	I couldn't have been sugaring you couldn't have been sugaring he couldn't have been sugaring we couldn't have been sugaring you couldn't have been sugaring they couldn't have been sugaring

Interrogative form

Simple form	V-ing form
could I sugar? could you sugar? could he sugar? could we sugar? could you sugar? could they sugar?	could I be sugaring? could you be sugaring? could he be sugaring? could we be sugaring? could you be sugaring? could they be sugaring?
Perfect	V-ing perfect
could I have sugared? could you have sugared? could he have sugared? could we have sugared? could you have sugared? could they have sugared?	could I have been sugaring? could you have been sugaring? could he have been sugaring? could we have been sugaring? could you have been sugaring? could they have been sugaring?

Interro-negative form

Simple form	V-ing form
couldn't I sugar? couldn't you sugar? couldn't he sugar? couldn't we sugar? couldn't you sugar? couldn't they sugar?	couldn't I be sugaring? couldn't you be sugaring? couldn't he be sugaring? couldn't we be sugaring? couldn't you be sugaring? couldn't they be sugaring?
Perfect	V-ing perfect
couldn't I have sugared? couldn't you have sugared? couldn't he have sugared? couldn't we have sugared? couldn't you have sugared? couldn't they have sugared?	couldn't I have been sugaring? couldn't you have been sugaring? couldn't he have been sugaring? couldn't we have been sugaring? couldn't you have been sugaring? couldn't they have been sugaring?