English verb conjugation COULD SPRING

Irregular verb: spring - sprang, sprung - sprung

Affirmation

Simple form

I could spring
you could spring
he could spring
we could spring
you could spring
they could spring

V-ing form

I could be springing
you could be springing
he could be springing
we could be springing
you could be springing
they could be springing

Perfect

I could have sprung
you could have sprung
he could have sprung
we could have sprung
you could have sprung
they could have sprung

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I spring?
could you spring?
could he spring?
could we spring?
could you spring?
could they spring?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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