English verb conjugation COULD SPACEWALK

Regular verb: spacewalk - spacewalked - spacewalked

Affirmation

Simple form

I could spacewalk
you could spacewalk
he could spacewalk
we could spacewalk
you could spacewalk
they could spacewalk

V-ing form

I could be spacewalking
you could be spacewalking
he could be spacewalking
we could be spacewalking
you could be spacewalking
they could be spacewalking

Perfect

I could have spacewalked
you could have spacewalked
he could have spacewalked
we could have spacewalked
you could have spacewalked
they could have spacewalked

V-ing perfect

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

Negation

Simple form

I could not spacewalk
you could not spacewalk
he could not spacewalk
we could not spacewalk
you could not spacewalk
they could not spacewalk

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I spacewalk?
could you spacewalk?
could he spacewalk?
could we spacewalk?
could you spacewalk?
could they spacewalk?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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