English verb conjugation CAN CROAK

Regular verb: croak - croaked - croaked

Affirmation

Simple form

I can croak
you can croak
he can croak
we can croak
you can croak
they can croak

V-ing form

I can be croaking
you can be croaking
he can be croaking
we can be croaking
you can be croaking
they can be croaking

Perfect

I can have croaked
you can have croaked
he can have croaked
we can have croaked
you can have croaked
they can have croaked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I croak?
can you croak?
can he croak?
can we croak?
can you croak?
can they croak?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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