English verb conjugation COULD SHAM

Regular verb: sham - shammed - shammed

Affirmation

Simple form

I could sham
you could sham
he could sham
we could sham
you could sham
they could sham

V-ing form

I could be shamming
you could be shamming
he could be shamming
we could be shamming
you could be shamming
they could be shamming

Perfect

I could have shammed
you could have shammed
he could have shammed
we could have shammed
you could have shammed
they could have shammed

V-ing perfect

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

Negation

Simple form

I couldn't sham
you couldn't sham
he couldn't sham
we couldn't sham
you couldn't sham
they couldn't sham

V-ing form

I couldn't be shamming
you couldn't be shamming
he couldn't be shamming
we couldn't be shamming
you couldn't be shamming
they couldn't be shamming

Perfect

I couldn't have shammed
you couldn't have shammed
he couldn't have shammed
we couldn't have shammed
you couldn't have shammed
they couldn't have shammed

V-ing perfect

I couldn't have been shamming
you couldn't have been shamming
he couldn't have been shamming
we couldn't have been shamming
you couldn't have been shamming
they couldn't have been shamming

Interrogative form

Simple form

could I sham?
could you sham?
could he sham?
could we sham?
could you sham?
could they sham?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I sham?
couldn't you sham?
couldn't he sham?
couldn't we sham?
couldn't you sham?
couldn't they sham?

V-ing form

couldn't I be shamming?
couldn't you be shamming?
couldn't he be shamming?
couldn't we be shamming?
couldn't you be shamming?
couldn't they be shamming?

Perfect

couldn't I have shammed?
couldn't you have shammed?
couldn't he have shammed?
couldn't we have shammed?
couldn't you have shammed?
couldn't they have shammed?

V-ing perfect

couldn't I have been shamming?
couldn't you have been shamming?
couldn't he have been shamming?
couldn't we have been shamming?
couldn't you have been shamming?
couldn't they have been shamming?

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