English verb conjugation COULD LITTER

Regular verb: litter - littered - littered

Affirmation

Simple form

I could litter
you could litter
he could litter
we could litter
you could litter
they could litter

V-ing form

I could be littering
you could be littering
he could be littering
we could be littering
you could be littering
they could be littering

Perfect

I could have littered
you could have littered
he could have littered
we could have littered
you could have littered
they could have littered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I litter?
could you litter?
could he litter?
could we litter?
could you litter?
could they litter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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