threw, through, thorough

  edgood  —  Grammar Tips
Threw is the past tense of the verb “throw,” which means “to toss.”

Through is a preposition that describes a thing that has passed “from one end to the other.” It also means “during” or “up to and including.”

Thorough is an adjective that describes an act undertaken with great attention to detail.

Example: Their forensic examination was very thorough, and they managed to prove that the accused threw the weapon through a window.