English verb conjugation COULD INCUBATE

Regular verb: incubate - incubated - incubated

Affirmation

Simple form

I could incubate
you could incubate
he could incubate
we could incubate
you could incubate
they could incubate

V-ing form

I could be incubating
you could be incubating
he could be incubating
we could be incubating
you could be incubating
they could be incubating

Perfect

I could have incubated
you could have incubated
he could have incubated
we could have incubated
you could have incubated
they could have incubated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I incubate?
could you incubate?
could he incubate?
could we incubate?
could you incubate?
could they incubate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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