Exercise 1: Fill in the blanks with the correct form of the verb “to be”:

1. I ___ a student. (am)
2. She ___ my best friend. (is)
3. They ___ from Canada. (are)
4. We ___ tired after the long journey. (are)
5. He ___ a doctor. (is)

Exercise 2: Choose the correct form of the verb “to be” to complete the sentences:

1. The weather ___ nice today. (is)
2. My parents ___ very supportive. (are)
3. The book ___ on the shelf. (is)
4. The children ___ playing in the park. (are)
5. I ___ excited about the upcoming trip. (am)