The underlined words have been correctly identified below:
- My grandparents live on an island. Complete predicate
- A small boat travels there every hour. Simple subject
- The entire ride takes about twenty minutes. Complete Subject
- My family visits them every summer. Simple predicate
- We stay for about a week. Complete predicate
- My grandmother likes to paint the ocean. Complete Subject
- I am learning how to paddle a kayak. Complete Subject
- My oldest sister has started a shell collection. Simple subject
- I swim nearly every day. Complete predicate
- Days at the beach are the best ever. Simple subject
What is a complete subject?
A complete subject mentions the subject and the other words that describe it whereas a simple subject simply mentions the subject.
A complete predicate mentions the action and other words that describe it but a simple predicate simply mentions the verb. With this understanding, the blanks can be filled correctly.
Learn more about complete subjects here:
https://brainly.com/question/1756944
#SPJ1