English verb conjugation COULD DIFFER

Regular verb: differ - differed - differed

Affirmation

Simple form

I could differ
you could differ
she could differ
we could differ
you could differ
they could differ

V-ing form

I could be differing
you could be differing
she could be differing
we could be differing
you could be differing
they could be differing

Perfect

I could have differed
you could have differed
she could have differed
we could have differed
you could have differed
they could have differed

V-ing perfect

I could have been differing
you could have been differing
she could have been differing
we could have been differing
you could have been differing
they could have been differing

Negation

Simple form

I couldn't differ
you couldn't differ
she couldn't differ
we couldn't differ
you couldn't differ
they couldn't differ

V-ing form

I couldn't be differing
you couldn't be differing
she couldn't be differing
we couldn't be differing
you couldn't be differing
they couldn't be differing

Perfect

I couldn't have differed
you couldn't have differed
she couldn't have differed
we couldn't have differed
you couldn't have differed
they couldn't have differed

V-ing perfect

I couldn't have been differing
you couldn't have been differing
she couldn't have been differing
we couldn't have been differing
you couldn't have been differing
they couldn't have been differing

Interrogative form

Simple form

could I differ?
could you differ?
could she differ?
could we differ?
could you differ?
could they differ?

V-ing form

could I be differing?
could you be differing?
could she be differing?
could we be differing?
could you be differing?
could they be differing?

Perfect

could I have differed?
could you have differed?
could she have differed?
could we have differed?
could you have differed?
could they have differed?

V-ing perfect

could I have been differing?
could you have been differing?
could she have been differing?
could we have been differing?
could you have been differing?
could they have been differing?

Interro-negative form

Simple form

couldn't I differ?
couldn't you differ?
couldn't she differ?
couldn't we differ?
couldn't you differ?
couldn't they differ?

V-ing form

couldn't I be differing?
couldn't you be differing?
couldn't she be differing?
couldn't we be differing?
couldn't you be differing?
couldn't they be differing?

Perfect

couldn't I have differed?
couldn't you have differed?
couldn't she have differed?
couldn't we have differed?
couldn't you have differed?
couldn't they have differed?

V-ing perfect

couldn't I have been differing?
couldn't you have been differing?
couldn't she have been differing?
couldn't we have been differing?
couldn't you have been differing?
couldn't they have been differing?

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