Is
* The cat is sleeping on the couch.
* It is a beautiful day outside.
* She is going to the store.
Was
* The movie was very exciting.
* He was late for work.
* I was tired after a long day.
Has
* She has a new car.
* He has been to Paris.
* It has been raining all day.
Sentences using multiple verbs:
* The dog was barking because he has to go outside.
* She is happy because she has a new job.
* The book was interesting, and it has many great characters.