Вопрос:

Упражнение 157. Вставьте am, is, are. Образец: My name — Shirley Frank. 1) What ... your name? — My name ... Shirley Frank. 2) What ... your address? — My address ... 175 Grand Central Parkway. 3) What ... your phone number? — My phone number ... 718-1930. 4) Where ... you from? — I ... from New York. 5) I ... a pupil. 6) My father ... not a teacher, he ... a scientist. 7) ... your aunt a doctor? — Yes, she ... 8) ... they ... not at home, they ... at work. 9) My brother ... a worker. He ... at work. 10) ... you an engineer? — Yes, I ... 11) ... your sister a typist? — No, she ... not a typist, she ... a student. 12) ... your brother at school? — Yes, he ... 13) ... your sister at school? — No, she ... not at school. 14) My sister ... at home. 15) ... this your watch? — Yes, it ... 16) She ... an actress. 17) This ... my bag. 18) My uncle ... an office worker. 19) He ... at work. 20) Helen ... a painter. She has some fine pictures. They ... on the walls. She ... an artist. It ... on the shelf. Helen has a brother. He ... a student. He has a family. His family ... not in St. Petersburg, it ... in Moscow.

Ответ:

1) What is your name? — My name is Shirley Frank.
2) What is your address? — My address is 175 Grand Central Parkway.
3) What is your phone number? — My phone number is 718-1930.
4) Where are you from? — I am from New York.
5) I am a pupil.
6) My father is not a teacher, he is a scientist.
7) Is your aunt a doctor? — Yes, she is.
8) Are they not at home, they are at work.
9) My brother is a worker. He is at work.
10) Are you an engineer? — Yes, I am.
11) Is your sister a typist? — No, she is not a typist, she is a student.
12) Is your brother at school? — Yes, he is.
13) Is your sister at school? — No, she is not at school.
14) My sister is at home.
15) Is this your watch? — Yes, it is.
16) She is an actress.
17) This is my bag.
18) My uncle is an office worker.
19) He is at work.
20) Helen is a painter. She has some fine pictures. They are on the walls. She is an artist. It is on the shelf. Helen has a brother. He is a student. He has a family. His family is not in St. Petersburg, it is in Moscow.

Правило: am употребляется с I, is — с существительными и местоимениями в единственном числе, are — с you, we, they и существительными во множественном числе.