English verb conjugation COULD SERGE

Regular verb: serge - serged - serged

Affirmation

Simple form

I could serge
you could serge
he could serge
we could serge
you could serge
they could serge

V-ing form

I could be serging
you could be serging
he could be serging
we could be serging
you could be serging
they could be serging

Perfect

I could have serged
you could have serged
he could have serged
we could have serged
you could have serged
they could have serged

V-ing perfect

I could have been serging
you could have been serging
he could have been serging
we could have been serging
you could have been serging
they could have been serging

Negation

Simple form

I could not serge
you could not serge
he could not serge
we could not serge
you could not serge
they could not serge

V-ing form

I could not be serging
you could not be serging
he could not be serging
we could not be serging
you could not be serging
they could not be serging

Perfect

I could not have serged
you could not have serged
he could not have serged
we could not have serged
you could not have serged
they could not have serged

V-ing perfect

I could not have been serging
you could not have been serging
he could not have been serging
we could not have been serging
you could not have been serging
they could not have been serging

Interrogative form

Simple form

could I serge?
could you serge?
could he serge?
could we serge?
could you serge?
could they serge?

V-ing form

could I be serging?
could you be serging?
could he be serging?
could we be serging?
could you be serging?
could they be serging?

Perfect

could I have serged?
could you have serged?
could he have serged?
could we have serged?
could you have serged?
could they have serged?

V-ing perfect

could I have been serging?
could you have been serging?
could he have been serging?
could we have been serging?
could you have been serging?
could they have been serging?

Interro-negative form

Simple form

could I not serge?
could you not serge?
could he not serge?
could we not serge?
could you not serge?
could they not serge?

V-ing form

could I not be serging?
could you not be serging?
could he not be serging?
could we not be serging?
could you not be serging?
could they not be serging?

Perfect

could I not have serged?
could you not have serged?
could he not have serged?
could we not have serged?
could you not have serged?
could they not have serged?

V-ing perfect

could I not have been serging?
could you not have been serging?
could he not have been serging?
could we not have been serging?
could you not have been serging?
could they not have been serging?

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