English verb conjugation COULD SHEAVE

Regular verb: sheave - sheaved - sheaved

Affirmation

Simple form

I could sheave
you could sheave
he could sheave
we could sheave
you could sheave
they could sheave

V-ing form

I could be sheaving
you could be sheaving
he could be sheaving
we could be sheaving
you could be sheaving
they could be sheaving

Perfect

I could have sheaved
you could have sheaved
he could have sheaved
we could have sheaved
you could have sheaved
they could have sheaved

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I sheave?
could you sheave?
could he sheave?
could we sheave?
could you sheave?
could they sheave?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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