What part of speech is invalidates?

In this example, what does the author use to describe laurie

In at least 150 words, explain how richard wright use of dialogue in the short story "the man who was almost a man" contributes to the overall meaning of the story.

Use the drop-down menu to choose the best verb form to complete each sentence. if he a warmer jacket, he would not have gotten frostbite. i wish that those snakes fake. if they to go to the party, they would need a ride.