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 couldn't spacewalk
you couldn't spacewalk
he couldn't spacewalk
we couldn't spacewalk
you couldn't spacewalk
they couldn't spacewalk

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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