English verb conjugation COULD SPRING

Irregular verb: spring - sprang, sprung - sprung

Affirmation

Simple form

I could spring
you could spring
she could spring
we could spring
you could spring
they could spring

V-ing form

I could be springing
you could be springing
she could be springing
we could be springing
you could be springing
they could be springing

Perfect

I could have sprung
you could have sprung
she 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
she 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
she 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
she 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
she 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
she 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 she spring?
could we spring?
could you spring?
could they spring?

V-ing form

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

Perfect

could I have sprung?
could you have sprung?
could she 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 she 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 she 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 she 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 she 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 she 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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