Make interrogative and negative forms. 1. Tom speaks four languages. 2. Mary took part in the concert. 3. They are hungry and angry. 4. It will snow. 5. They work here.

Hello, you either have antibiotic zatrin?

- There zatrin, and still have it cheaper substitute azithromycin. You tablets or capsules?

- I'm in tablets. And how much is it zatrin? I'd rather take something that is expensive.

- One hundred and sixty rubles fifty kopecks.

- How many pills in the package?

- Six pieces.

- And what dosage?

- Each tablet of five milligrams, it is for adults. Children need to be given on the half tablet. Do you sell?

- Yes, that take the two hundred rubles a trifle.

- Here's your change and medicine. Thank you for your purchase!

- All the best!

 1. You would know English better if you tried to study harder.

2. I should have left Moscow yesterday if you hadn't sold me tickets to Samara. 

3. If I were you, I would never told him to do so.

4. If  I had known that it was going to rain, I would have stayed at home.

5. I shall go for a walk, if I'm staying.

6. I should lend you my textbook if you solved it.

7. If we had bought the tickets, you would have payed for us.

8. If they were here, the wouldn't let me go.

9. We should be glad if he found a job.

10. If he were younger, he would be th youngest champion.