English Help Please!! Determine whether the bolded verb is an action verb, helping verb, linking verb or infinitive verb.

1) The runners charged toward the finish line. Verb is Charged

2)None of these cereal boxes seem full. Verb is Seem

3)The sky today appears sunnier than yesterday. Verb is Appears

4) He is a great math student. Verb is Is

5) Several stores in our neighborhood have changed their names. Verb is Have

6)While he was showering, Dominic sang loudly. Verb is Was

7)His daughter is singing in the United States now. Verb is Is

8)Everyone should visit during the summer. Verb is visit