Exercise 1. Make the sentences negative and interrogative.
1. Sick people are treated by doctors
2. The room is beign painted now
3. This gallery was built twenty-seven years ago
4. The seminar was beign held at 3 o'clock yesterday
5. The news will be broadcast in a hour
6. The posters had been hung by 4 o'clock yesterday

Exercise 1. Make the sentences negative and interrogative.

1. Sick people aren't treated by doctors

2. The room isn't beign painted now

3. This gallery wasn't built twenty-seven years ago

4. The seminar wasn't beign held at 3 o'clock yesterday

5. The news won't be broadcast in a hour

6. The posters hadn't been hung by 4 o'clock yesterday

Exercise 1. Make the sentences negative and interrogative.

1. Sick people are treated by doctors , aren't they?

2. The room is beign painted now , isn't it?

3. This gallery was built twenty-seven years ago , wasn't it?

4. The seminar was beign held at 3 o'clock yesterday , wasn't it ?

5. The news will be broadcast in a hour , won't they?

6. The posters had been hung by 4 o'clock yesterday, hadn't they?

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