English verb conjugation COULD WHILE

Regular verb: while - whiled - whiled

Affirmation

Simple form

I could while
you could while
he could while
we could while
you could while
they could while

V-ing form

I could be whiling
you could be whiling
he could be whiling
we could be whiling
you could be whiling
they could be whiling

Perfect

I could have whiled
you could have whiled
he could have whiled
we could have whiled
you could have whiled
they could have whiled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I while?
could you while?
could he while?
could we while?
could you while?
could they while?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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