Which verb form is used to indicate the perfect tense?

verb + - ed

be + verb + - ing

have + been + verb + - ing

have + verb + - ed

Animal testing is responsible for many of the life saving treatments and medications that we take for granted today. Which quote best supports the idea expressed in the sentence? A.

Definition of not being a hero, what would someone who is not a hero do? What is there personality like?

When did anzaldua first read a novel written by a chicano?

How is Bilbo Baggins characterized in this excerpt? O as determined O as generous as homesick O as unfriendly

5. A philosophical and political belief revealed in this document is that - A all men are created equal by God B the king rules by divine right C people should decide for themselves what is right . D free men are entitled to certain rights

The text says: "Within 24 hours, he had invented a telescope that could magnify things to make them appear ten times larger than real life." Why is this sentence important in order to understand Galileo?

This can take you across the sea, when it's windy.

What is one way that the story would be different if it took place in the cold desert instead of a hot desert

What details from the narration relate rainsford impression of zaroff?

Objetivo para describir pizza