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Conditionals

Conditionals are clauses introduced with IF. The main types of conditionals are Type 0, Type 1, Type 2 and Type 3.

Conditional clauses consist of two parts: the if-clause and the main clause.

Type of conditionals

When it is used

The form of the verbs

If-clause | main clause

Type 0

Used to express smth that is always true.

We can use when/whenever instead of if.

If + present simple | present simple

If it rains, I feel sad.

If water is frozen, it expands.

Type 1

Used to express situations in the future.

If + present | future

If you work hard, you will pass your exam successfully.

Type 2

Used to express imaginary situations in the present or to give advice.

If + past simple or continuous | would + bare infinitive

If it didn’t rain, you wouldn’t get wet.

Type 3

Used to express imaginary situation in the past or to express regrets or criticism.

If + past perfect/past perfect cont. |

would + perfect bare infinitive

If I had known that you were ill I would have visited you.

Note:

  1. We can use were instead of was for all persons in the if-clause of conditionals 2:

If Andrew was/were taller, he could be a basketball player.

We use If I were you … when we want to give advice:

If I were you I wouldn’t travel on my own.

  1. In conditionals 2, 3 we can also use could/might/should instead of would:

If I lived out of town, I could take up gardening.

They might have found a better hotel if they had driven a few more kilometres.

  1. In some conditionals 2, 3 we use mixed tenses. That is, a past simple in the if-clause and would + perfect bare infinitive in the main clause, or a past perfect in the if-clause and would + bare infinitive in the main clause:

If Bob wasn't so lazy (present), he would have passed the exam easily (past).

If the doctor had been called earlier (past), she would still be alive today (present).

Match the items on the right to the items on the left in order to make correct Type 0 conditionals sentences, as in the example.

e.g.: 1 – d. If you heat water to 100°C, it boils.

1 You heat water to 100°C

a You heat it

2 My mother takes me to college

b You don’t want to get a bad sunburn

3 Press this button

c We feel badly

4 Ice melts

d It boils

5 We send for a doctor

e I am late

6 Don’t spend too much time under the sun

f They don't get enough water

7 I eat too much chocolate

g It becomes ice

8 Flowers die

h You drop it on the floor

9 Chinaware breaks

i I get an allergy

10 You freeze water

j You want to get black coffee

Complete the following sentences by putting the verb in brackets into the correct tense. The sentences are about the future.

  1. If you (lend) _____ me a little money, I (give) _____ it back to you in a couple of days.

  2. If they (get) _____ my message in time, they (be able) _____ to change their plans.

  3. What you (do) _____, if the boss (cut) _____ your salaries?

  4. If you (fail) _____ your exam, you (take) _____ it again?

  5. I (be) _____ angry, if you (not come) _____ home in time.

  6. I (cook) _____ a pie, if we (have) _____ guests tonight.

  7. Unless the weather (be) _____ fine, we (not go) anywhere.

  8. If you (be) _____ careful, you (not do) _____ any mistakes in you test.

  9. The store (toss) _____ in a mouse, if you (buy) _____ the PC.

  10. If I (not feel) _____ better, I (take) _____ the medicine.

  11. My roommate (be) _____ furious, if you (touch) _____ his personal belongings.

  12. If you (not tell) _____ me what’s the problem, I (not be able) _____ to help you.

  13. Unless you (stop) _____ eating so much, you (become) _____ fat.

Write a conditional sentence for each of the following signs. The first one has been done for you.

A BOTTLE OF CHAMPAGNE

WITH EACH FOOD PURCHASE

OF $100 OR MORE

If you buy food for $100 or more, you will get a bottle of champagne.

NO SMOKING HERE

STIFF FINES!

You will get______________________________________________

SALE

BUY ANY 2 BOTTLES

SAVE 15%

________________________________________________________

NO PARKING

UNAUTHORIZED CARS WILL BE TOWED AWAY AT OWNERS EXPENSE

________________________________________________________

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