Instructions: In this lesson pick out only the helping verbs used in the verb phrases.
1. He should have tried again.
2. The dog had suddenly come into the yard.
3. Has anyone taken out the trash?
4. Could they have been pointing at our car?
5. She's hoping for a call from her sister.
--For answers scroll down.
1. should have
4. could have been
5. 's (is)