English verb conjugation CAN SERVE

Regular verb: serve - served - served

Affirmation

Simple form

I can serve
you can serve
he can serve
we can serve
you can serve
they can serve

V-ing form

I can be serving
you can be serving
he can be serving
we can be serving
you can be serving
they can be serving

Perfect

I can have served
you can have served
he can have served
we can have served
you can have served
they can have served

V-ing perfect

I can have been serving
you can have been serving
he can have been serving
we can have been serving
you can have been serving
they can have been serving

Negation

Simple form

I cannot serve
you cannot serve
he cannot serve
we cannot serve
you cannot serve
they cannot serve

V-ing form

I cannot be serving
you cannot be serving
he cannot be serving
we cannot be serving
you cannot be serving
they cannot be serving

Perfect

I cannot have served
you cannot have served
he cannot have served
we cannot have served
you cannot have served
they cannot have served

V-ing perfect

I cannot have been serving
you cannot have been serving
he cannot have been serving
we cannot have been serving
you cannot have been serving
they cannot have been serving

Interrogative form

Simple form

can I serve?
can you serve?
can he serve?
can we serve?
can you serve?
can they serve?

V-ing form

can I be serving?
can you be serving?
can he be serving?
can we be serving?
can you be serving?
can they be serving?

Perfect

can I have served?
can you have served?
can he have served?
can we have served?
can you have served?
can they have served?

V-ing perfect

can I have been serving?
can you have been serving?
can he have been serving?
can we have been serving?
can you have been serving?
can they have been serving?

Interro-negative form

Simple form

can I not serve?
can you not serve?
can he not serve?
can we not serve?
can you not serve?
can they not serve?

V-ing form

can I not be serving?
can you not be serving?
can he not be serving?
can we not be serving?
can you not be serving?
can they not be serving?

Perfect

can I not have served?
can you not have served?
can he not have served?
can we not have served?
can you not have served?
can they not have served?

V-ing perfect

can I not have been serving?
can you not have been serving?
can he not have been serving?
can we not have been serving?
can you not have been serving?
can they not have been serving?

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