English verb conjugation COULD CRATER

Regular verb: crater - cratered - cratered

Affirmation

Simple form

I could crater
you could crater
he could crater
we could crater
you could crater
they could crater

V-ing form

I could be cratering
you could be cratering
he could be cratering
we could be cratering
you could be cratering
they could be cratering

Perfect

I could have cratered
you could have cratered
he could have cratered
we could have cratered
you could have cratered
they could have cratered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I crater?
could you crater?
could he crater?
could we crater?
could you crater?
could they crater?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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