Conditional SentencesZero Conditional & First Conditional

A conditional sentence has 2 clauses: If-clause Result clause

If the weather is fine, we eat in the gardenwe will go outIf the weather is good

tomorrow,

Each clause or both clauses can be negative:

If the weather isn’t fine, our dog doesn’t like to go out.

I’ll be sad if the weather isn’t good tomorrow.

Zero Conditional

Children learn quickly if they are interested. If you have a big car, you pay a lot for petrol.

If-clause Result clausePresent Simple Present Simple

Flowers die if they are not watered. Don’t forget to switch off the light if you leave.

We use Zero Conditionals to talk about things that always happen in the same way every time: If I eat too much, I get a stomach ache.Felix is always in a good mood if his team wins.

We can use Zero Conditionals to give facts – this can be about science or rules in sport:

If you heat water to 100°C, it boils.If he kicks a drop goal, his team gets 3 points.

We can use Zero Conditionals to talk about behavior of people we know when they react in the same way every time:

If I get home late, my wife gets angry.

Match these phrases to make zero conditional sentences

0 You have to pay a fine

1 If I’m late for work

2 Jane gets very ill

3 If water cools to 0°C

4 He scores a point

5 If the alarm goes off

a) if she eats seafood.b) the police come

automatically.

c) if his opponent misses the ball.

d) if you get caught speeding

e) my manager always notices

f) it freezes

Open the brackets and put the verbs in the correct form

1. If you _______ (study) hard, you ____ a good student.

2. If it _____ (rain), you ____ (get) wet. 3. If you ___ (mix) red and yellow, you ___

(get) orange. 4. If he _____ (work) a lot, he ____ (earn) a

lot of money. 5. If she _____ (wear) a blue dress, she ____

(look) great.

study are

rains get

mix get

works earns

wearslooks

6. If we ______ (watch) TV, we ______ (enjoy) a lot.

7. If he _____ (play) football, he ____ (get) tired.

8. If I ____ (eat) too much, I ____ (feel) bad.

9. If you ____ (heat) water, it ____ (boil).10. If someone ______ (enter) the building,

the alarm ________ (go off). 11. If you _____ (press) this button, the

computer _________ (turn on).

watch enjoy

plays gets

eat feel

heat boils

entersgoes off

pressturns on

Choose the correct option for these zero conditional sentences1. If you eat fast food,

a) you will gain weight

b) you gains weight

c) you gain weight

d) you gained weight

Choose the correct option for these zero conditional sentences2. If you study hard,

a) you get good grades

b) you got good grades

c) you getting good grades

d) you will get good grades

Choose the correct option for these zero conditional sentences3. When she works early,

a) she woke up early

b) she will wake up early

c) she wake up early

d) she wakes up early

Choose the correct option for these zero conditional sentences4. When the radio plays,

a) it’s hard to hear you speak

b) it was hard to hear you speak

c) it is hard to hear you spoke

d) it is hard to hear you will speak

Choose the correct option for these zero conditional sentences5. I always wear a jacket

a) when it will be cold

b) when it is cold

c) when it was cold

d) when it is being cold

Choose the correct option for these zero conditional sentences6. He never buys lunch

a) if he doesn’t has cash

b) if he no have cash

c) if he won’t have cash

d) if he doesn’t have cash

Choose the correct option for these zero conditional sentences7. When you heat water,

a) it boils

b) it’s boiling

c) boils the water

d) it was boil

Choose the correct option for these zero conditional sentences8. Does ice melt

a) if it is in the sun?

b) if it were in the sun?

c) if they are in the sun?

d) if it will be in the sun?

Choose the correct option for these zero conditional sentences9. What do you do

a) if the teacher was sick?

b) if the teacher had been sick?

c) if the teacher will be sick?

d) if the teacher is sick?

Choose the correct option for these zero conditional sentences10. Does the computer work

a) if you use batteries?

b) if you used batteries?

c) if you will use batteries?

d) if you had used batteries?

Check! 1) c2) a3) d4) a5) b 6) d7) a8) a9) d10) a

First Conditional

If I win our tennis match, Dan will be annoyed.If you have a headache, you should take an aspirin.

If-clause Result clause

Present Simple Future Simple or Modal Verbs or Imperative Mood

We use First Conditional to talk about a future possibility when we feel confident about our predictions: If they don’t leave right now, they will miss the train.

We can use unless to mean if…not:They’ll miss the train unless they leave right now (=if they don’t leave right now).

We use First Conditional to talk about the things that are possible in the future. This might be a warning.

If you don’t apologize, Keith will be very cross.If you don’t get up now, you’ll miss the bus.

We use First Conditional to make realistic predictions about our lives in the future: If I fail my exams, I won’t get into university.