English verb conjugation CAN ECHO

Regular verb: echo - echoed - echoed

Affirmation

Simple form

I can echo
you can echo
he can echo
we can echo
you can echo
they can echo

V-ing form

I can be echoing
you can be echoing
he can be echoing
we can be echoing
you can be echoing
they can be echoing

Perfect

I can have echoed
you can have echoed
he can have echoed
we can have echoed
you can have echoed
they can have echoed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I echo?
can you echo?
can he echo?
can we echo?
can you echo?
can they echo?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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