English verb conjugation COULD CLASSIFY

Regular verb: classify - classified - classified

Affirmation

Simple form

I could classify
you could classify
he could classify
we could classify
you could classify
they could classify

V-ing form

I could be classifying
you could be classifying
he could be classifying
we could be classifying
you could be classifying
they could be classifying

Perfect

I could have classified
you could have classified
he could have classified
we could have classified
you could have classified
they could have classified

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I classify?
could you classify?
could he classify?
could we classify?
could you classify?
could they classify?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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