English verb conjugation COULD OVERFLOW

Regular verb: overflow - overflowed - overflowed

Affirmation

Simple form

I could overflow
you could overflow
he could overflow
we could overflow
you could overflow
they could overflow

V-ing form

I could be overflowing
you could be overflowing
he could be overflowing
we could be overflowing
you could be overflowing
they could be overflowing

Perfect

I could have overflowed
you could have overflowed
he could have overflowed
we could have overflowed
you could have overflowed
they could have overflowed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I overflow?
could you overflow?
could he overflow?
could we overflow?
could you overflow?
could they overflow?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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