Question

I.na czym polega zerowy tryb warunkowy??
II. complete the sentences use the corect form of the verbs in brackets.???
1. if you ..........two books, you ............ one free. (buy, get)
2. The menu....... on the screen. If you............. this button twice.(appear, press)
3.If dogs ................chocolate, it ...........them ill (eat, make)
4. If water ..........., it .............(freeze, expand)
5.If you ........water to 100'C, it ............. . (heat , boil)

Answer 1

I. Budowa tego czasu to "if+present simple,present simple". Czasu tego uzywamy gdy mowimy o czymś co jest faktem, co zawsze jest i bedzie.  
II1. buy, get
2. appears, press
3. eats, makes
4, freezes, expands
5. heat, boils
III. I can name a few social networking sites, for example: facebook, Twitter, nasza klasa. People use them to stay in touch and to know what their friends do.