English verb conjugation COULD BACKPACK

Regular verb: backpack - backpacked - backpacked

Affirmation

Simple form

I could backpack
you could backpack
she could backpack
we could backpack
you could backpack
they could backpack

V-ing form

I could be backpacking
you could be backpacking
she could be backpacking
we could be backpacking
you could be backpacking
they could be backpacking

Perfect

I could have backpacked
you could have backpacked
she could have backpacked
we could have backpacked
you could have backpacked
they could have backpacked

V-ing perfect

I could have been backpacking
you could have been backpacking
she could have been backpacking
we could have been backpacking
you could have been backpacking
they could have been backpacking

Negation

Simple form

I couldn't backpack
you couldn't backpack
she couldn't backpack
we couldn't backpack
you couldn't backpack
they couldn't backpack

V-ing form

I couldn't be backpacking
you couldn't be backpacking
she couldn't be backpacking
we couldn't be backpacking
you couldn't be backpacking
they couldn't be backpacking

Perfect

I couldn't have backpacked
you couldn't have backpacked
she couldn't have backpacked
we couldn't have backpacked
you couldn't have backpacked
they couldn't have backpacked

V-ing perfect

I couldn't have been backpacking
you couldn't have been backpacking
she couldn't have been backpacking
we couldn't have been backpacking
you couldn't have been backpacking
they couldn't have been backpacking

Interrogative form

Simple form

could I backpack?
could you backpack?
could she backpack?
could we backpack?
could you backpack?
could they backpack?

V-ing form

could I be backpacking?
could you be backpacking?
could she be backpacking?
could we be backpacking?
could you be backpacking?
could they be backpacking?

Perfect

could I have backpacked?
could you have backpacked?
could she have backpacked?
could we have backpacked?
could you have backpacked?
could they have backpacked?

V-ing perfect

could I have been backpacking?
could you have been backpacking?
could she have been backpacking?
could we have been backpacking?
could you have been backpacking?
could they have been backpacking?

Interro-negative form

Simple form

couldn't I backpack?
couldn't you backpack?
couldn't she backpack?
couldn't we backpack?
couldn't you backpack?
couldn't they backpack?

V-ing form

couldn't I be backpacking?
couldn't you be backpacking?
couldn't she be backpacking?
couldn't we be backpacking?
couldn't you be backpacking?
couldn't they be backpacking?

Perfect

couldn't I have backpacked?
couldn't you have backpacked?
couldn't she have backpacked?
couldn't we have backpacked?
couldn't you have backpacked?
couldn't they have backpacked?

V-ing perfect

couldn't I have been backpacking?
couldn't you have been backpacking?
couldn't she have been backpacking?
couldn't we have been backpacking?
couldn't you have been backpacking?
couldn't they have been backpacking?

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