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Zero and first conditional
I can use the zero and first conditional to talk about situations and results.
Zero conditional
if the su-i/v shines through
it will be We use the zero conditional to talk about things that
rah*,, it creates a rainbow.
If the sut/vshii-ves are always true - for example, habits or scientific facts.
will we see a rainbow today?
today. If you heat chocolate, it melts.
If my dad wakes up early, he goes for a run.
To form the zero conditional, we use the present tense
in the if clause and in the main clause.
If+ present simple present simple
If it rains, we don t do PE.
'
If 1 have an exam 1 revise very hard.
,
We can put the if clause at the start or end of the
We use conditional sentences to talk about the result sentence. When the if clause comes first, we put a
of a possible situation. comma between the two clauses.
If he's on holiday, he gets up late.
Possible situation ('condition') Result He gets up late if he's on holiday.
If I'm tired, 1 go to bed early.
© 21.1 Look at the rules from a radio quiz show.
Match the beginnings 1 -6 to the endings a-f. a you lose one point.
Then listen and check. O b you get two extra points.
1 If you give a correct answer,... c c you get two points,
_ _
2 If you give a wrong answer,... _ d he or she gets one point.
3 If you don't answer in ten seconds,... _ e there is one more question, and the first person
4 If the next player answers correctly,... _ to answer correctly is the winner.
5 If you answer five questions correctly,... _ f you get no points and the next player tries to
6 If two players finish with the same score,... answer.
Complete the sentences with the correct form of Complete the sentences with the correct form
O
the verb in brackets. of the verbs in the box.
If the weather is nice, we usually have dinner not eat enjoy float forget play
outside, (have) not help not smoke
I _sick if I eat too much chocolate, (feel)
If Henry doesn't know a word, he_it up in ÿ If I forget my watch, I don't know the time.
a dictionary, (look) 1 If people_their jobs, they normally
If you turn on a light bulb, it_hot. (get) work hard.
Teachers_away your phone if you use it in 2 Jason doesn't get any pocket money if he _
a lesson, (take) his parents.
If students_ school uniform, the 3 If you drop a bottle in the sea, it_
headteacher sends them home, (not wear) 4 He gets very hungry if he_football
If it_enough, plants don't grow, (not rain) after school.
If Helen_her pen, I lend her mine, (have 5 If you're vegetarian, you_meat.
not got) 6 People are healthier if they_
116 Zero and first conditional