If you have to do the washing up, I will help you.
When is zero conditional used?
General truth, universal truth
make a first conditional:
The weather / to be as sunny tomorrow as it was today / we / to go surfing
If the weather is as sunny tomorrow as it was today, we will go surfing.
If you ______ (heat) ice, it melts.
heat
I want to work outside today, but that won't be possible because it's raining.
If it weren't/wasn't raining, I would work outside today.
Whenever my roommate snores loudly, I cannot sleep.
Zero conditional
When do we use first conditional?
Possible/probable situations
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 it ______ (rain) tomorrow, we will stay indoors.
rains
Chuck failed his midterm exam. He didn't study for it.
If Chuck had studied, he probably wouldn't have failed his midterm exam.
When they go for a walk, they turn the lights off.
Zero conditional
When do we use the second conditional?
Impossible, unlikely situation.
make a zero conditional sentence.
you / to smoke / you / to get yellow teeth
If you smoke, you get yellow teeth.
If I ______ (win) the lottery, I would travel around the world.
won
I'll try to give your message to Ted, but I'm not sure whether I'll see him or not.
If I see Ted, I'll give him your message.
Would you be surprised if it snowed next July?
Second conditional
Say the tense differences between the zero conditional and the first conditional.
zero: present simple
first: present simple (if-clause) + future
make a first conditional sentence.
You / to forget my birthday / I / to speak to you again
If you forget my birthday, I'll never speak to you again
If I ______ (study) harder, I would have passed the exam.
had studied
My boss wants to send me to Japan. I'll try sushi.
If my boss sends me to Japan, I’ll try sushi.
She would have become a teacher if she had gone to university.
Third conditional
Compare the second and third conditionals
second: past simple (if-clause) & would (+ infinitive), impossible and unlikely situations
third: past perfect simple & would + have + past participle, unreal situations in the past and their unreal past results
make a third conditional sentence.
I / to not eat so much / I / not felt sick
If I hadn't eaten so much, I wouldn't have felt sick.
If I were president, I ______ (prioritize) education reform.
would prioritize
Kathy wants to go to the movies but doesn't have any money.
If Kathy had some money, she would go to the movies