VERB TO BE

1. Uses

1.1. With a noun: My mother is a teacher

1.2. With an adjective: This soup is very tasty.

1.3. With "ing" form: Peter is drinking.

1.4. With past tense: The house was built in 1940

2. Forms

2.1. Am. I am a teacher

2.2. Is: Frank is an architec.

2.3. Are: We are in Peruvian students.

3. Grammar

3.1. Positive: They are in the library

3.2. Interrogative: Are they at home?

3.3. Negative: They are not in the cinema

4. Exercises

4.1. I ______________in class.

4.2. You_____________a nurse.

4.3. _______________Mary in the pool?