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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation COULD SERVE

Regular verb: serve - served - served


Affirmation

Simple form
I could serve
you could serve
he could serve
we could serve
you could serve
they could serve
V-ing form
I could be serving
you could be serving
he could be serving
we could be serving
you could be serving
they could be serving
Perfect
I could have served
you could have served
he could have served
we could have served
you could have served
they could have served
V-ing perfect
I could have been serving
you could have been serving
he could have been serving
we could have been serving
you could have been serving
they could have been serving

Negation

Simple form
I couldn't serve
you couldn't serve
he couldn't serve
we couldn't serve
you couldn't serve
they couldn't serve
V-ing form
I couldn't be serving
you couldn't be serving
he couldn't be serving
we couldn't be serving
you couldn't be serving
they couldn't be serving
Perfect
I couldn't have served
you couldn't have served
he couldn't have served
we couldn't have served
you couldn't have served
they couldn't have served
V-ing perfect
I couldn't have been serving
you couldn't have been serving
he couldn't have been serving
we couldn't have been serving
you couldn't have been serving
they couldn't have been serving

Interrogative form

Simple form
could I serve?
could you serve?
could he serve?
could we serve?
could you serve?
could they serve?
V-ing form
could I be serving?
could you be serving?
could he be serving?
could we be serving?
could you be serving?
could they be serving?
Perfect
could I have served?
could you have served?
could he have served?
could we have served?
could you have served?
could they have served?
V-ing perfect
could I have been serving?
could you have been serving?
could he have been serving?
could we have been serving?
could you have been serving?
could they have been serving?

Interro-negative form

Simple form
couldn't I serve?
couldn't you serve?
couldn't he serve?
couldn't we serve?
couldn't you serve?
couldn't they serve?
V-ing form
couldn't I be serving?
couldn't you be serving?
couldn't he be serving?
couldn't we be serving?
couldn't you be serving?
couldn't they be serving?
Perfect
couldn't I have served?
couldn't you have served?
couldn't he have served?
couldn't we have served?
couldn't you have served?
couldn't they have served?
V-ing perfect
couldn't I have been serving?
couldn't you have been serving?
couldn't he have been serving?
couldn't we have been serving?
couldn't you have been serving?
couldn't they have been serving?