Поставьте следующие предложения в вопросительной и отрицательной формах: 1. IBM is an American computer manufacturer.

2. The company is a major supplier of information-processing products.

3. Its products are used in a wide variety of industries.

4. The company was incorporated in 1911.

5. In 1951 the company entered the computer field.

6. The development of IBM’s technology was largely funded by contracts with the U.S. government’s.

7. From the 1960s until the 1980s IBM dominated the global market for mainframe computers.

8. In 1981 IBM introduced its first personal computer.

9. The company was also the largest manufacturer of integrated circuits.

10. The company suffered record losses in 1992.

11. The victory of supercomputer over Garry Casparov was recognized as a development of artificial intelligence.

1.+ IBM is an American computer manufacturer.

- IBM isn't an American computer manufacturer.

? Is IBM an American computer manufacturer?

2. +The company is a major supplier of information-processing products.

- The company isn't a major supplier of information-processing products.

? Is the company a major supplier of information-processing products?

3. + Its products are used in a wide variety of industries.

- Its products aren't used in a wide variety of industries.

? Are Its products used in a wide variety of industries?

4. + The company was incorporated in 1911.

- The company wasn't incorporated in 1911.

? Was the company incorporated in 1911?

5. + In 1951 the company entered the computer field.

- In 1951 the company didn't enter the computer field.

? Did the company enter the computer field in 1951?

6. +The development of IBM’s technology was largely funded by contracts with the U.S. government’s.

- The development of IBM’s technology wasn't largely funded by contracts with the U.S. government’s.

? Was the development of IBM’s technology largely funded by contracts with the U.S. government’s?

7. + From the 1960s until the 1980s IBM dominated the global market for mainframe computers.

- From the 1960s until the 1980s IBM didn't dominat the global market for mainframe computers.

? Did IBM dominat the global market for mainframe computers from the 1960s until the 1980s ?

8. +In 1981 IBM introduced its first personal computer.

- In 1981 IBM didn't introduc its first personal computer.

? Did IBM introduce its first personal computer In 1981?

9.+ The company was also the largest manufacturer of integrated circuits.

- The company wasn't also the largest manufacturer of integrated circuits.

? Was the company also the largest manufacturer of integrated circuits?

10. +The company suffered record losses in 1992.

-The company didn't suffer record losses in 1992.

? Did the company suffer record losses in 1992?

11. +The victory of supercomputer over Garry Casparov was recognized as a development of artificial intelligence.

- The victory of supercomputer over Garry Casparov wasn't recognized as a development of artificial intelligence.

? Was the victory of supercomputer over Garry Casparov recognized as a development of artificial intelligence?