English verb conjugation COULD DECODE

Regular verb: decode - decoded - decoded

Affirmation

Simple form

I could decode
you could decode
he could decode
we could decode
you could decode
they could decode

V-ing form

I could be decoding
you could be decoding
he could be decoding
we could be decoding
you could be decoding
they could be decoding

Perfect

I could have decoded
you could have decoded
he could have decoded
we could have decoded
you could have decoded
they could have decoded

V-ing perfect

I could have been decoding
you could have been decoding
he could have been decoding
we could have been decoding
you could have been decoding
they could have been decoding

Negation

Simple form

I couldn't decode
you couldn't decode
he couldn't decode
we couldn't decode
you couldn't decode
they couldn't decode

V-ing form

I couldn't be decoding
you couldn't be decoding
he couldn't be decoding
we couldn't be decoding
you couldn't be decoding
they couldn't be decoding

Perfect

I couldn't have decoded
you couldn't have decoded
he couldn't have decoded
we couldn't have decoded
you couldn't have decoded
they couldn't have decoded

V-ing perfect

I couldn't have been decoding
you couldn't have been decoding
he couldn't have been decoding
we couldn't have been decoding
you couldn't have been decoding
they couldn't have been decoding

Interrogative form

Simple form

could I decode?
could you decode?
could he decode?
could we decode?
could you decode?
could they decode?

V-ing form

could I be decoding?
could you be decoding?
could he be decoding?
could we be decoding?
could you be decoding?
could they be decoding?

Perfect

could I have decoded?
could you have decoded?
could he have decoded?
could we have decoded?
could you have decoded?
could they have decoded?

V-ing perfect

could I have been decoding?
could you have been decoding?
could he have been decoding?
could we have been decoding?
could you have been decoding?
could they have been decoding?

Interro-negative form

Simple form

couldn't I decode?
couldn't you decode?
couldn't he decode?
couldn't we decode?
couldn't you decode?
couldn't they decode?

V-ing form

couldn't I be decoding?
couldn't you be decoding?
couldn't he be decoding?
couldn't we be decoding?
couldn't you be decoding?
couldn't they be decoding?

Perfect

couldn't I have decoded?
couldn't you have decoded?
couldn't he have decoded?
couldn't we have decoded?
couldn't you have decoded?
couldn't they have decoded?

V-ing perfect

couldn't I have been decoding?
couldn't you have been decoding?
couldn't he have been decoding?
couldn't we have been decoding?
couldn't you have been decoding?
couldn't they have been decoding?

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