English verb conjugation COULD BUILD

Irregular verb: build - built - built

Affirmation

Simple form

I could build
you could build
he could build
we could build
you could build
they could build

V-ing form

I could be building
you could be building
he could be building
we could be building
you could be building
they could be building

Perfect

I could have built
you could have built
he could have built
we could have built
you could have built
they could have built

V-ing perfect

I could have been building
you could have been building
he could have been building
we could have been building
you could have been building
they could have been building

Negation

Simple form

I couldn't build
you couldn't build
he couldn't build
we couldn't build
you couldn't build
they couldn't build

V-ing form

I couldn't be building
you couldn't be building
he couldn't be building
we couldn't be building
you couldn't be building
they couldn't be building

Perfect

I couldn't have built
you couldn't have built
he couldn't have built
we couldn't have built
you couldn't have built
they couldn't have built

V-ing perfect

I couldn't have been building
you couldn't have been building
he couldn't have been building
we couldn't have been building
you couldn't have been building
they couldn't have been building

Interrogative form

Simple form

could I build?
could you build?
could he build?
could we build?
could you build?
could they build?

V-ing form

could I be building?
could you be building?
could he be building?
could we be building?
could you be building?
could they be building?

Perfect

could I have built?
could you have built?
could he have built?
could we have built?
could you have built?
could they have built?

V-ing perfect

could I have been building?
could you have been building?
could he have been building?
could we have been building?
could you have been building?
could they have been building?

Interro-negative form

Simple form

couldn't I build?
couldn't you build?
couldn't he build?
couldn't we build?
couldn't you build?
couldn't they build?

V-ing form

couldn't I be building?
couldn't you be building?
couldn't he be building?
couldn't we be building?
couldn't you be building?
couldn't they be building?

Perfect

couldn't I have built?
couldn't you have built?
couldn't he have built?
couldn't we have built?
couldn't you have built?
couldn't they have built?

V-ing perfect

couldn't I have been building?
couldn't you have been building?
couldn't he have been building?
couldn't we have been building?
couldn't you have been building?
couldn't they have been building?

Page top