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 cannot intervene
you cannot intervene
he cannot intervene
we cannot intervene
you cannot intervene
they cannot intervene

V-ing form

I cannot be intervening
you cannot be intervening
he cannot be intervening
we cannot be intervening
you cannot be intervening
they cannot be intervening

Perfect

I cannot have intervened
you cannot have intervened
he cannot have intervened
we cannot have intervened
you cannot have intervened
they cannot have intervened

V-ing perfect

I cannot have been intervening
you cannot have been intervening
he cannot have been intervening
we cannot have been intervening
you cannot have been intervening
they cannot 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 I not intervene?
can you not intervene?
can he not intervene?
can we not intervene?
can you not intervene?
can they not intervene?

V-ing form

can I not be intervening?
can you not be intervening?
can he not be intervening?
can we not be intervening?
can you not be intervening?
can they not be intervening?

Perfect

can I not have intervened?
can you not have intervened?
can he not have intervened?
can we not have intervened?
can you not have intervened?
can they not have intervened?

V-ing perfect

can I not have been intervening?
can you not have been intervening?
can he not have been intervening?
can we not have been intervening?
can you not have been intervening?
can they not have been intervening?

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