היו

In a sentence

• היו לי שלושה כלבים כשהייתי ילד.

  I had three dogs when I was a child.

  Here, 'היו' is used as part of the past tense verb phrase indicating possession or existence of dogs in the past.

• לא היו סיבות לדאגה, הכל היה בסדר.

  There were no reasons to worry, everything was fine.

  In this context, 'היו' serves to express the existence of reasons in the past tense.

• אם היו לנו יותר זמן, היינו מסיימים את הפרויקט.

  If we had had more time, we would have completed the project.

  Here, 'היו' is employed in a conditional past construction to express a hypothetical scenario.