English verb conjugation COULD NAVIGATE

Regular verb: navigate - navigated - navigated

Affirmation

Simple form

I could navigate
you could navigate
he could navigate
we could navigate
you could navigate
they could navigate

V-ing form

I could be navigating
you could be navigating
he could be navigating
we could be navigating
you could be navigating
they could be navigating

Perfect

I could have navigated
you could have navigated
he could have navigated
we could have navigated
you could have navigated
they could have navigated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I navigate?
could you navigate?
could he navigate?
could we navigate?
could you navigate?
could they navigate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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