Zero Conditional
If she (wake up) late, she (be) late for work.
If she wakes up late, she is late for work.
If you (drink) eight glasses of water a day, you (have) better skin.
If you drink eight glasses of water a day, you’ll have better skin.
If you (win) the lottery, what (you/do)?
If you won the lottery, what would you do?
If I (know) that, I (marry) her.
If I had known that, I would have married her.
If you (leave) ice in the sun, it (melt). (Zero)
If you leave ice in the sun, it melts.
Unless we (to sense) pain, we (not/pay) attention to our bodies.
Unless we sense pain, we don’t pay attention to our bodies.
If she (study) hard, she (pass) the exam.
If she studies hard, she will pass the exam.
If she (fracture) a bone, she (need) an operation.
If she fractured a bone, she would need an operation.
If we (leave) earlier, we (arrive) on time.
If we had left earlier, we would have arrived on time.
If I (be) you, I (not/eat) that! (2nd)
If I were you, I wouldn't eat that!
If people (be) allergic to pollen, they (have) a special injection from time to time.
If people are allergic to pollen, they have a special injection from time to time.
If you (start) taking the medicine, you (get) better soon.
If you start taking the medicine, you will get better soon.
If Tim and Tom (be) older, they (play) in our hockey team.
If Tim and Tom were older, they would play on our hockey team.
If I (know) you were coming, I (prepare) something special for dinner.
If I had known you were coming, I would have prepared something special for dinner.
If I (have) more money, I (travel) around the world. (2nd)
If I had more money, I would travel around the world.
If children (not/eat) well, they (not/be) healthy.
If children don't eat well, they aren't healthy.
Simon (go) to London next week if he (get) a cheap flight.
Simon will go to London next week if he gets a cheap flight.
If he (be) my friend, I (invite) him to my birthday party.
If he were my friend, I would invite him to my birthday party.
If he (not/fall down) the stairs, he (not/twist) his ankle.
If he hadn't fallen down the stairs, he wouldn't have twisted his ankle.
Unless you (stop) drinking, you (have) serious health problems. (1st)
Unless you stop drinking, you will have serious health problems.
If people (eat) too many sweets, they (get) fat.
If people eat too many sweets, they get fat.
If her boyfriend (not/phone) her today, she (leave) him.
If her boyfriend doesn't phone her today, she'll leave him.
If Tom (study) harder, he (be) better at school.
If Tom studied harder, he would be better at school.
We (not/get) married if we (not/go) to the same university.
We would not have gotten married if we had not gone to the same university.
If I (know) this phone was so bad, I (not/buy) it. (3rd)
If I had known this phone was so bad, I wouldn't have bought it.