Conditional Type "O" Practice+Key

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THE 'ZERO' CONDITIONAL

Form : If + present + present

Zero Conditional
Conditionals
are structures which we use when talking about possible actions and
their results. The zero conditional is a form which expresses what
always happens if or when a certain action takes place.

Ice melts if you heat it.
You get wet if it rains.

2. Function

In these sentences, the time is now or always and the situation is real and possible. They are
used to make statements about the real world, and often refer to generaltruths, such as scientific facts.

Examples:
a.
b. If you freeze water, it becomes a solid.
b. Plants die if they don't get enough water.
c. If my husband has a cold, I usually catch it.
d. If public transport is efficient, people stop using their cars.
e. If you mix red and blue, you get purple.
f. My parents get angry if I come home late.
g. If heat is transferred, it moves from a higher temperature to a lower temperature.
h.Your immune system responds if bacteria enter your body.
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Exercice : Make a zero conditional sentence using the words.
For example: "water / boil / heat / to 100 degrees" becomes "Water boils if you heat it to 100 degrees."

·1. ice / float / you / drop / it / in water
…………………………………………………………………………..
2. my daughter / eat / too much chocolate / she /get / sick
…………………………………………………………………………..
· 3. you / not / eat / you / die
………………………………………………………………………….
· 4. if / no / rain / the grass / not / grow
………………………………………………………………………….
·5. iron / rust / it / get / wet
………………………………………………………………………….

Answers :
1. Ice floats if you drop it in water
2. If my daughter eats too much , she gets sick
3. If you don’t eat , you die
4. If there is no rain , the grass doesn’t grow.
5. Iron rusts if it gets wet.
6. ice / float / you / drop / it / in water

Site Reviewer

1Water boils if ________________________________________ .

2 If you mix red and white _______________________________________________ .

3 _______________________________________________ if you leave it in the sun.

4 If _______________________________________________ , take an aspirin.

5 If _______________________________________________ , it tastes sweet.

6 _______________________________________________ if you go near its food when it's eating.

7 If you pull a cat's tail, _______________________________________________ .

8 _______________________________________________ if you don't wear a seat belt.

9 You can end up brain damaged if _______________________________________________ .

10 If you press this switch, _______________________________________________ .

11 If _______________________________________________ , her folks get very angry.

12 Farmers get very angry if _______________________________________________ .

ANSWERS :

1
Water boils if you heat it to 100 ºc . 2 If you mix red andwhite you
get orange . 3 Butter melts if you leave it in the sun. 4 If you've got
aheadache , take an aspirin. 5 If you add sugar , it tastes sweet. 6 A
dog bites if you go ;near its food when it's eating. 7 If you pull a
cat's tail, it scratches you . 8 You have more chance of being killed if
you don't wear a seat belt. 9 You can end up brain damaged if you don't
wear a crash helmet . 10 If you press thisswitch, the dvd player comes
on . 11 If she comes home very late , her folks get very angry. 12 Farmers get very angry if you leave gates open in the country