English verb conjugation COULD GEM

Regular verb: gem - gemed - gemed

Affirmation

Simple form

I could gem
you could gem
he could gem
we could gem
you could gem
they could gem

V-ing form

I could be geming
you could be geming
he could be geming
we could be geming
you could be geming
they could be geming

Perfect

I could have gemed
you could have gemed
he could have gemed
we could have gemed
you could have gemed
they could have gemed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I gem?
could you gem?
could he gem?
could we gem?
could you gem?
could they gem?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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