1. "I am going to the store." (Helping verb: "am")
* The helping verb "am" helps the main verb "going" to create a present continuous tense.
2. "She has been studying all night." (Helping verbs: "has", "been")
* "Has" and "been" together help "studying" form the present perfect continuous tense.
3. "They will be finished soon." (Helping verbs: "will", "be")
* "Will" and "be" help "finished" form the future continuous tense.
4. "I can play the piano." (Helping verb: "can")
* "Can" helps "play" express ability.
5. "We should have left earlier." (Helping verbs: "should", "have")
* "Should" and "have" help "left" form the past perfect tense and express a sense of regret.
6. "He might be coming later." (Helping verb: "might")
* "Might" helps "be coming" express a possibility.
7. "You must be tired." (Helping verb: "must")
* "Must" helps "be" express certainty or necessity.
8. "She does enjoy painting." (Helping verb: "does")
* "Does" is used with the main verb "enjoy" in a present tense sentence that refers to a third-person singular subject.
These are just a few examples, and there are many more ways to use helping verbs in sentences.