Questions & Answers about To byla krádež.
Because in this kind of sentence, the past tense form of být often agrees with the noun that names what something was.
Compare:
- To byl problém. = That was a problem.
- To byla chyba. = That was a mistake.
- To bylo neštěstí. = That was a tragedy.
So even though to is neuter in form, the verb here follows krádež, which is feminine.
Here to means something like that or it, depending on context.
It is very common in Czech to use to in identifying sentences:
- To je můj bratr. = That is my brother.
- To byla krádež. = That was a theft.
So to is pointing to some situation, event, or thing already known from context.