4. Complete the following sentences with the right form of the verbs in brackets. Use zero conditionals.

1. When it's_______cold, we________the heating on. (be, turn)

2. If Nick_______the bus, he________to school. (miss, walk)

3. _________Leo_________his computer when he_____a break? (turn off, have)

4. If I________very busy, I______to the gym. (be, not go)

5. _______ you________to bed early if you________to wake up early? (go, need)

6. Ellie always______a bottle of water with her when she______in the park. (take, run)

7. If they______at home, their answering machine______a message, (not be, take)

8. If she_______a present, she______it back to the shop and changes it. (not like, take)

4. Choose and write zero conditional sentences. Use the words from the box.

becomes ice, heat water, not drink enough water, boil water, they die, heat ice

1. If you heat water to 100C, it boils.

2. If you freeze water, it_________ .

3. If you_______ it melts.

4. If you_______, you feel dizzy.

5. If you water some plants every day, _______ .

6. If you_________ it becomes steam.

4. Choose the right answer from the box and complete the sentence with the first conditional.

miss your train, lose his sunglasses, book in advance, hurt himself, turn on the air conditioning, make you something to eat, be better for his career

1. If you are hungry, I could make you something to eat .(could)

2. It___________________________if he moved to London. (might)

3. If it’s hot, I_____________________ .(can)

4. If he isn’t careful, he____________________ .(may)

5. You____________________if you want a cheaper ticket. (should)

6. He______________________if he doesn't put them in his pocket. (could)

7. If you don’t hurry up, you___________________ .(might)

4. Finish the sentences so they are true for you.

1. If I am late for school,_____________________________________________

2. If the weather is good tomorrow,_____________________________________

3. If you don’t like this film,___________________________________________

4. If we have enough money,__________________________________________

5. If you find my book,_______________________________________________

6. If they go on holiday, ______________________________________________

4. Write sentences in the first conditional with will.

1. I / have / time → I / read a magazine If I have time, I'll read a magazine.

2. you / charge / the batteries → the camera / work________________________

3. it / snow → they / cancel / the game _____________________________

4. he / tell / the truth → he / feel better _____________________________

5. 5. we / not go now → we / be late for dinner ___________________________

6. I / come / with you → you / buy me / lunch_____________________________

7. she / not pass / the exam → be / upset _____________________________

8. the dog / need / to go for a walk → you / take / it ________________________

9. the car / not start → we / take a taxi ___________________________

10. you / like / chocolate → you / love / these biscuits_______________________

4. Look at the notes about each situation. Then write if sentences using the present simple and will + infinitive.

1. a) motorway may be very busy - we/miss the flight

If the motorway is very busy we'll miss the flight.

b) traffic may be OK - we/get to the airport on time

2. a) weather may be good - they/have the party in the garden

it may rain - they/hold the reception in the marquee

3. a) the play may do well - it/open on Broadway

the play may do badly – it/close after a week