к какому типу тканей относятся жилки у растения?

Ask questions about the sentence: Defoe made his story so realistic that everyone believed it.

Example: Defoe / make?- Did Defoe make story realistic? 1) why/ everyone/ believe? 2) the story / be / realistic? 3)who / believe/ the story? 4)what/ defoe / make / ? 5) whose/ story/ realistic

почему в словах НЕ БЫЛО БЫ, НЕ пишется раздельно?