English verb conjugation COULD LEAK

Regular verb: leak - leaked - leaked

Affirmation

Simple form

I could leak
you could leak
he could leak
we could leak
you could leak
they could leak

V-ing form

I could be leaking
you could be leaking
he could be leaking
we could be leaking
you could be leaking
they could be leaking

Perfect

I could have leaked
you could have leaked
he could have leaked
we could have leaked
you could have leaked
they could have leaked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I leak?
could you leak?
could he leak?
could we leak?
could you leak?
could they leak?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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