English verb conjugation COULD RETRACE

Regular verb: retrace - retraced - retraced

Affirmation

Simple form

I could retrace
you could retrace
he could retrace
we could retrace
you could retrace
they could retrace

V-ing form

I could be retracing
you could be retracing
he could be retracing
we could be retracing
you could be retracing
they could be retracing

Perfect

I could have retraced
you could have retraced
he could have retraced
we could have retraced
you could have retraced
they could have retraced

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I retrace?
could you retrace?
could he retrace?
could we retrace?
could you retrace?
could they retrace?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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