Поставьте  следующие 
предложения   в  вопросительную  и 
отрицательную

форму. 
  1) There are many big cities in the USA.

2)    We like  your equipment and want to sign a contract
with you.

3)    He has a lot of duties in the
office.

4)    My secretary speaks English
fluently.

5)    My brother is the head of a
big office.

 

1. Are there many big cities in the USA?There aren't many big cities in the USA.2. Do you like my equipment and want to sign a contract with me?We don't like your equipment and don't want to sign a contract with you.3. Does he have a lot of duties in the office?He doesn't have a lot of duties in the office.4. Does your secretary speak English fluently?My secretary doesn't speak English fluently.5. Is your brother the head of a big office?My brother is not the head of a big office.