When they go for a walk, they turn the lights off.
Zero conditional
When do we use the zero conditional?
to talk about facts / used when the result will always happen
Make a zero conditional sentence.
(you / to smoke / you / to get yellow teeth)
If you smoke, you get yellow teeth.
Humans ______ (to not live) if there is no air.
Humans do not live if there is no air.
(First conditional)
My boss is planning to send me to Japan. I want to try sushi.
If my boss sends me to Japan, I will try sushi.
Whenever my roommate snores loudly, I cannot sleep.
Zero conditional
When do we use the first conditional?
to talk about things which might happen in the future
Make a first conditional sentence.
(The weather / to be sunny tomorrow / we / to go surfing)
If the weather is sunny tomorrow, we will go surfing.
Which cities ______ you ______ (to visit) if you went to the Philippines?
Which cities would you visit if you went to the Philippines?
I want to work outside today but it's raining.
If it wasn't raining, I would work outside today.
If you have to do the washing up, I will help you.
First conditional
When do we use the second conditional?
to talk about things in the future that are probably not going to be true / to talk about something in the present which is impossible, because it's not true
Make a first conditional sentence.
(You / to forget my birthday / I / to never speak with you again)
If you forget my birthday, I will never speak with you again.
If I had played the lottery, I _____________ (to have) the chance to win the jackpot.
If I had played the lottery, I woul've had the chance to win the jackpot.
(First conditional)
I'll try to give your message to Ted, but I'm not sure if I'll see him.
If I see Ted, I will give him your message.
Would you be surprised if it snowed next July?
Second conditional
Discuss the tense differences between the zero and first conditionals.
0: (present simple & present simple)
1: (present simple & will + infinitive)
Make a second conditional sentence.
(I / to meet a genie / I / to ask him for my three wishes)
If I met a genie, I would ask him for my three wishes.
If you ________ (to not do) the homework, you ____________ (to be punished).
If you don“t do the homework, you will be punished.
(Second conditional)
Segismundo wants to go to Balneario de Mondariz but he doesn't have any money.
If Segismundo had some money, he would go to Balneario de Mondariz.
She would have become a teacher if she had finished her masters.
Third conditional
Compare the second and third conditionals.
2: to talk about things in the future that are probably not going to be true / to talk about something in the present which is impossible, because it's not true
3: about the past / to describe a situation that didn't happen and to imagine the result of this situation
Make a third conditional sentence.
(I / to not eat so much / I / to not feel sick)
If I hadn't eaten so much, I wouldn't have felt sick.
If I __________ (to be) a baby, I __________ (to sleep) and _______ (play) all day.
If I were/was a baby, I would sleep and play all day.
(Third conditional)
Chuck failed his exam because he didn't study.
If Chuck had studied, he wouldn't have failed his exam.