English verb conjugation COULD FIB

Regular verb: fib - fibbed - fibbed

Affirmation

Simple form

I could fib
you could fib
he could fib
we could fib
you could fib
they could fib

V-ing form

I could be fibbing
you could be fibbing
he could be fibbing
we could be fibbing
you could be fibbing
they could be fibbing

Perfect

I could have fibbed
you could have fibbed
he could have fibbed
we could have fibbed
you could have fibbed
they could have fibbed

V-ing perfect

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

Negation

Simple form

I could not fib
you could not fib
he could not fib
we could not fib
you could not fib
they could not fib

V-ing form

I could not be fibbing
you could not be fibbing
he could not be fibbing
we could not be fibbing
you could not be fibbing
they could not be fibbing

Perfect

I could not have fibbed
you could not have fibbed
he could not have fibbed
we could not have fibbed
you could not have fibbed
they could not have fibbed

V-ing perfect

I could not have been fibbing
you could not have been fibbing
he could not have been fibbing
we could not have been fibbing
you could not have been fibbing
they could not have been fibbing

Interrogative form

Simple form

could I fib?
could you fib?
could he fib?
could we fib?
could you fib?
could they fib?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not fib?
could you not fib?
could he not fib?
could we not fib?
could you not fib?
could they not fib?

V-ing form

could I not be fibbing?
could you not be fibbing?
could he not be fibbing?
could we not be fibbing?
could you not be fibbing?
could they not be fibbing?

Perfect

could I not have fibbed?
could you not have fibbed?
could he not have fibbed?
could we not have fibbed?
could you not have fibbed?
could they not have fibbed?

V-ing perfect

could I not have been fibbing?
could you not have been fibbing?
could he not have been fibbing?
could we not have been fibbing?
could you not have been fibbing?
could they not have been fibbing?

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