English verb conjugation COULD STUD

Regular verb: stud - studded - studded

Affirmation

Simple form

I could stud
you could stud
he could stud
we could stud
you could stud
they could stud

V-ing form

I could be studding
you could be studding
he could be studding
we could be studding
you could be studding
they could be studding

Perfect

I could have studded
you could have studded
he could have studded
we could have studded
you could have studded
they could have studded

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I stud?
could you stud?
could he stud?
could we stud?
could you stud?
could they stud?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top