nebyla

nebyla

"Was not" or "has not been" (feminine, past tense).

Here, 'nebyla' is used to indicate the past tense of being, in the first person singular form, used in a context of negation.

Včera jsem tam nebyla.

Yesterday I was not there.

In this sentence, 'nebyla' reflects a past situation describing the state of the book, with 'nebyla' in the third person singular form to match the noun 'kniha'.

Tato kniha nebyla zajímavá.

This book was not interesting.

Here, 'nebyla' complements a past passive construction, making the meaning negative in the third person singular.

Ta možnost nebyla vyloučena.

That possibility was not excluded.