English verb conjugation CAN STUD

Regular verb: stud - studded - studded

Affirmation

Simple form

I can stud
you can stud
he can stud
we can stud
you can stud
they can stud

V-ing form

I can be studding
you can be studding
he can be studding
we can be studding
you can be studding
they can be studding

Perfect

I can have studded
you can have studded
he 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
he 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
he cannot stud
we cannot stud
you cannot stud
they cannot stud

V-ing form

I cannot be studding
you cannot be studding
he cannot be studding
we cannot be studding
you cannot be studding
they cannot be studding

Perfect

I cannot have studded
you cannot have studded
he 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
he 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 he stud?
can we stud?
can you stud?
can they stud?

V-ing form

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

Perfect

can I have studded?
can you have studded?
can he 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 he 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 he 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 he 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 he 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 he 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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