English verb conjugation COULD SNOWBOARD

Regular verb: snowboard - snowboarded - snowboarded

Affirmation

Simple form

I could snowboard
you could snowboard
he could snowboard
we could snowboard
you could snowboard
they could snowboard

V-ing form

I could be snowboarding
you could be snowboarding
he could be snowboarding
we could be snowboarding
you could be snowboarding
they could be snowboarding

Perfect

I could have snowboarded
you could have snowboarded
he could have snowboarded
we could have snowboarded
you could have snowboarded
they could have snowboarded

V-ing perfect

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

Negation

Simple form

I could not snowboard
you could not snowboard
he could not snowboard
we could not snowboard
you could not snowboard
they could not snowboard

V-ing form

I could not be snowboarding
you could not be snowboarding
he could not be snowboarding
we could not be snowboarding
you could not be snowboarding
they could not be snowboarding

Perfect

I could not have snowboarded
you could not have snowboarded
he could not have snowboarded
we could not have snowboarded
you could not have snowboarded
they could not have snowboarded

V-ing perfect

I could not have been snowboarding
you could not have been snowboarding
he could not have been snowboarding
we could not have been snowboarding
you could not have been snowboarding
they could not have been snowboarding

Interrogative form

Simple form

could I snowboard?
could you snowboard?
could he snowboard?
could we snowboard?
could you snowboard?
could they snowboard?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not snowboard?
could you not snowboard?
could he not snowboard?
could we not snowboard?
could you not snowboard?
could they not snowboard?

V-ing form

could I not be snowboarding?
could you not be snowboarding?
could he not be snowboarding?
could we not be snowboarding?
could you not be snowboarding?
could they not be snowboarding?

Perfect

could I not have snowboarded?
could you not have snowboarded?
could he not have snowboarded?
could we not have snowboarded?
could you not have snowboarded?
could they not have snowboarded?

V-ing perfect

could I not have been snowboarding?
could you not have been snowboarding?
could he not have been snowboarding?
could we not have been snowboarding?
could you not have been snowboarding?
could they not have been snowboarding?

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