English verb conjugation CAN STUD

Regular verb: stud - studded - studded

Affirmation

Simple form

I can stud
you can stud
she can stud
we can stud
you can stud
they can stud

V-ing form

I can be studding
you can be studding
she can be studding
we can be studding
you can be studding
they can be studding

Perfect

I can have studded
you can have studded
she can have studded
we can have studded
you can have studded
they can have studded

V-ing perfect

I can have been studding
you can have been studding
she can have been studding
we can have been studding
you can have been studding
they can have been studding

Negation

Simple form

I cannot stud
you cannot stud
she cannot stud
we cannot stud
you cannot stud
they cannot stud

V-ing form

I cannot be studding
you cannot be studding
she cannot be studding
we cannot be studding
you cannot be studding
they cannot be studding

Perfect

I cannot have studded
you cannot have studded
she cannot have studded
we cannot have studded
you cannot have studded
they cannot have studded

V-ing perfect

I cannot have been studding
you cannot have been studding
she cannot have been studding
we cannot have been studding
you cannot have been studding
they cannot have been studding

Interrogative form

Simple form

can I stud?
can you stud?
can she stud?
can we stud?
can you stud?
can they stud?

V-ing form

can I be studding?
can you be studding?
can she be studding?
can we be studding?
can you be studding?
can they be studding?

Perfect

can I have studded?
can you have studded?
can she have studded?
can we have studded?
can you have studded?
can they have studded?

V-ing perfect

can I have been studding?
can you have been studding?
can she have been studding?
can we have been studding?
can you have been studding?
can they have been studding?

Interro-negative form

Simple form

can I not stud?
can you not stud?
can she not stud?
can we not stud?
can you not stud?
can they not stud?

V-ing form

can I not be studding?
can you not be studding?
can she not be studding?
can we not be studding?
can you not be studding?
can they not be studding?

Perfect

can I not have studded?
can you not have studded?
can she not have studded?
can we not have studded?
can you not have studded?
can they not have studded?

V-ing perfect

can I not have been studding?
can you not have been studding?
can she not have been studding?
can we not have been studding?
can you not have been studding?
can they not have been studding?

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