English verb conjugation CAN INTERVENE

Regular verb: intervene - intervened - intervened

Affirmation

Simple form

I can intervene
you can intervene
he can intervene
we can intervene
you can intervene
they can intervene

V-ing form

I can be intervening
you can be intervening
he can be intervening
we can be intervening
you can be intervening
they can be intervening

Perfect

I can have intervened
you can have intervened
he can have intervened
we can have intervened
you can have intervened
they can have intervened

V-ing perfect

I can have been intervening
you can have been intervening
he can have been intervening
we can have been intervening
you can have been intervening
they can have been intervening

Negation

Simple form

I can't intervene
you can't intervene
he can't intervene
we can't intervene
you can't intervene
they can't intervene

V-ing form

I can't be intervening
you can't be intervening
he can't be intervening
we can't be intervening
you can't be intervening
they can't be intervening

Perfect

I can't have intervened
you can't have intervened
he can't have intervened
we can't have intervened
you can't have intervened
they can't have intervened

V-ing perfect

I can't have been intervening
you can't have been intervening
he can't have been intervening
we can't have been intervening
you can't have been intervening
they can't have been intervening

Interrogative form

Simple form

can I intervene?
can you intervene?
can he intervene?
can we intervene?
can you intervene?
can they intervene?

V-ing form

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

Perfect

can I have intervened?
can you have intervened?
can he have intervened?
can we have intervened?
can you have intervened?
can they have intervened?

V-ing perfect

can I have been intervening?
can you have been intervening?
can he have been intervening?
can we have been intervening?
can you have been intervening?
can they have been intervening?

Interro-negative form

Simple form

can't I intervene?
can't you intervene?
can't he intervene?
can't we intervene?
can't you intervene?
can't they intervene?

V-ing form

can't I be intervening?
can't you be intervening?
can't he be intervening?
can't we be intervening?
can't you be intervening?
can't they be intervening?

Perfect

can't I have intervened?
can't you have intervened?
can't he have intervened?
can't we have intervened?
can't you have intervened?
can't they have intervened?

V-ing perfect

can't I have been intervening?
can't you have been intervening?
can't he have been intervening?
can't we have been intervening?
can't you have been intervening?
can't they have been intervening?

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