If a banana is green, what does it mean?  //  If a banana is green, it is not ready to eat.  (not ripe yet)

If an animal foams at the mouth, what is wrong with it?   //  If an animal foams at the mouth, it has rabies.

If Pinnochio's nose grows, what does it indicate? // If Pinnochio's nose grows, he has been lying. 

If plants don´t receive water, what happens to them?  //  If plants don't receive water, they die. 

If a movie only plays at midnight, what does it indicate? // If a movie only plays at midnight, it is probably an adult movie. 

If it rains later today, what will you do? //  If it rains, I will use an umbrella. 

If the president resigns, who will replace him?  // If the president resigns, the vice president will replace him.  

If all the honey bees die, what will happen? // If all the honey bees die, the ecosystem will collapse.  

If you speak two languages but your spouse speaks only one, will you raise your children to be bilingual? 

If you won the lottery, what is the first thing you would do/buy? // If I won the lottery, I would buy a house.  

If you were on vacation and lost your passport, what would you do? // If I lost my passport, I would go immediately to the embassy.

If the airlines doubled their ticket prices, what would happen? // If the airlines doubled their prices, fewer people would travel.

If you saw someone being attacked on the street, what would you do? // If i saw someone being attacked, I would call the police.

If you had left home at 16 years old, where would you have gone?  //
If I had left home at 16, I would have gone to my grandparents'.

If you had taken the train to work today, which line would you have taken? //
If i had taken the train to work today, I would have taken Line 5. 

If Einstein had never been born, would the nuclear bomb have been invented?
If Einstein had never been born, the nuclear bomb might never have been invented.

If you had grown up in Mexico, how would your childhood have been different?
If I had grown up in Mexico, I would have played soccer instead of baseball.


If you had been born blind,  how would your life until now have been different?
(variable conditional)
If you had been born blind, how would your life be different now?

If I had been born blind, I would have learned braile, I would have attended a school for the blind, I would not be a photographer.

Could you run 20 km without stopping?

Should there be video cameras in every street?  

Should guns be legal in Spain?

Could you live in the rain forest? 

Could you eat insects if they were the only source of protein available to you?  

What should society do about plastic pollution and other contamination of the environment?  

What could you buy with 50,000 euros?  

If you attend the ballet, a tuxedo will be required. // Should you attend the ballet, a tuxedo will be required.

If the food is unsuitable for the wedding, the bride will reject it. // Should the food be unsuitable, the bridge will reject it. 

If there is any problem with the order, please contact me.  // Should there be any problem, please contact me.  

If a storm approached, the authorities would issue a warning.  // Were a storm to approach, the authorities would issue a warning.

If we had known what time you were arriving, we would have prepared your room.  // Had we known what time you were arriving, we would have prepared your room.  

If there had been enough time, the band would have played an encore.  // Had there been enough time, the band...