English verb conjugation COULD REOBSERVE

Regular verb: reobserve - reobserved - reobserved

Affirmation

Simple form

I could reobserve
you could reobserve
she could reobserve
we could reobserve
you could reobserve
they could reobserve

V-ing form

I could be reobserving
you could be reobserving
she could be reobserving
we could be reobserving
you could be reobserving
they could be reobserving

Perfect

I could have reobserved
you could have reobserved
she could have reobserved
we could have reobserved
you could have reobserved
they could have reobserved

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I reobserve?
could you reobserve?
could she reobserve?
could we reobserve?
could you reobserve?
could they reobserve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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