English verb conjugation
COULD BARRICADE

Regular verb: barricade - barricaded - barricaded

Affirmation

Simple form	V-ing form
I could barricade you could barricade she could barricade we could barricade you could barricade they could barricade	I could be barricading you could be barricading she could be barricading we could be barricading you could be barricading they could be barricading
Perfect	V-ing perfect
I could have barricaded you could have barricaded she could have barricaded we could have barricaded you could have barricaded they could have barricaded	I could have been barricading you could have been barricading she could have been barricading we could have been barricading you could have been barricading they could have been barricading

Negation

Simple form	V-ing form
I couldn't barricade you couldn't barricade she couldn't barricade we couldn't barricade you couldn't barricade they couldn't barricade	I couldn't be barricading you couldn't be barricading she couldn't be barricading we couldn't be barricading you couldn't be barricading they couldn't be barricading
Perfect	V-ing perfect
I couldn't have barricaded you couldn't have barricaded she couldn't have barricaded we couldn't have barricaded you couldn't have barricaded they couldn't have barricaded	I couldn't have been barricading you couldn't have been barricading she couldn't have been barricading we couldn't have been barricading you couldn't have been barricading they couldn't have been barricading

Interrogative form

Simple form	V-ing form
could I barricade? could you barricade? could she barricade? could we barricade? could you barricade? could they barricade?	could I be barricading? could you be barricading? could she be barricading? could we be barricading? could you be barricading? could they be barricading?
Perfect	V-ing perfect
could I have barricaded? could you have barricaded? could she have barricaded? could we have barricaded? could you have barricaded? could they have barricaded?	could I have been barricading? could you have been barricading? could she have been barricading? could we have been barricading? could you have been barricading? could they have been barricading?

Interro-negative form

Simple form	V-ing form
couldn't I barricade? couldn't you barricade? couldn't she barricade? couldn't we barricade? couldn't you barricade? couldn't they barricade?	couldn't I be barricading? couldn't you be barricading? couldn't she be barricading? couldn't we be barricading? couldn't you be barricading? couldn't they be barricading?
Perfect	V-ing perfect
couldn't I have barricaded? couldn't you have barricaded? couldn't she have barricaded? couldn't we have barricaded? couldn't you have barricaded? couldn't they have barricaded?	couldn't I have been barricading? couldn't you have been barricading? couldn't she have been barricading? couldn't we have been barricading? couldn't you have been barricading? couldn't they have been barricading?