English verb conjugation CAN UPTURN

Regular verb: upturn - upturned - upturned

Affirmation

Simple form

I can upturn
you can upturn
she can upturn
we can upturn
you can upturn
they can upturn

V-ing form

I can be upturning
you can be upturning
she can be upturning
we can be upturning
you can be upturning
they can be upturning

Perfect

I can have upturned
you can have upturned
she can have upturned
we can have upturned
you can have upturned
they can have upturned

V-ing perfect

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

Negation

Simple form

I can't upturn
you can't upturn
she can't upturn
we can't upturn
you can't upturn
they can't upturn

V-ing form

I can't be upturning
you can't be upturning
she can't be upturning
we can't be upturning
you can't be upturning
they can't be upturning

Perfect

I can't have upturned
you can't have upturned
she can't have upturned
we can't have upturned
you can't have upturned
they can't have upturned

V-ing perfect

I can't have been upturning
you can't have been upturning
she can't have been upturning
we can't have been upturning
you can't have been upturning
they can't have been upturning

Interrogative form

Simple form

can I upturn?
can you upturn?
can she upturn?
can we upturn?
can you upturn?
can they upturn?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can't I upturn?
can't you upturn?
can't she upturn?
can't we upturn?
can't you upturn?
can't they upturn?

V-ing form

can't I be upturning?
can't you be upturning?
can't she be upturning?
can't we be upturning?
can't you be upturning?
can't they be upturning?

Perfect

can't I have upturned?
can't you have upturned?
can't she have upturned?
can't we have upturned?
can't you have upturned?
can't they have upturned?

V-ing perfect

can't I have been upturning?
can't you have been upturning?
can't she have been upturning?
can't we have been upturning?
can't you have been upturning?
can't they have been upturning?

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