Four types of conditional clauses

lWe use the so-called zero conditional when the result of the condition is always true, like a scientific fact.

If you heat ice it melts.

lThe important thing about the zero conditional is that the condition always has the same result.

lWe often use when instead of if, for example:

When I get up late, I miss my bus.

lWe can use unless=if (I/he/you)don't/doesn't +V1

Unless he asks you politely, refuse to do any more work on the project.

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Four types

of conditional clauses

made by Garina Tatiana

school # 80 specialized in English

Yaroslavl

2015

zero conditional

We use the so-called zero conditional when the result of the condition is always true, like a scientific fact.

If you heat ice it melts.

The important thing about t he zero conditional is that the condition always has the same result.
We often use when instead of if , for example:

When I get up late, I miss my bus.

Unless he asks you politely, refuse to do any more work on the project.

If + Present Simple, Present Simple.

If you visit London, go on the London Eye.

If ____ don't/doesn't + V1_ _ _ _____ V1 _ _ _.
If people don't eat , they get hungry.
When Ann doesn't help about the house, her mother gets angry.
What do you usually do when/if the weather is cold?

Put the verbs in zero conditional

If you _______ (to drive) along the river bank it _______ (to be) twenty miles out of your way.
If you _____ (to take) your mobile phone into class, it __________ (must) be turned off.
We ________ (not use) calculators when we ________ (write) tests.
If you ______ (to push) this button, the volume __________ (to increase).
If you __________ (to close) the door, it _________ (to lock) automatically.

Put the verbs in zero conditional

I_________ (to wear) my old boots when I ______ (to work).
When I ___________ (to cook) salads, I ________ (to use) only olive oil.
When I ___________ (to concentrate), please ____________ (not to make) so much noise.
Unless prices ________ (to rise), it ________ (not to be) a good investment.
Unless someone_________ (to ask) you politely, ___________ (to refuse) to do anything.

first conditional

for real possibility
We are thinking about a particular condition in the future, and the result of this condition. There is a real possibility that this condition will happen.

If it rains, I will stay at home.