If you buy two books, you get one free
The menu appears on the screen if you press this button twice
If dogs eat chocolate, it makes them ill
if water freezes, it expands
If you heat water to 100 it boils
Ничего сложного здесь нет, просто в каждом предложении употребляешь present simple
I'm going to work with my father
1. Would you like some coffee?
2. Can we have the bill?
3. We`d like a table for two?
4. Is service included?