Раздаточный материал по грамматике: Conditionals

Conditionals (условные предложения)

Conditionals are used to express possibility or impossibility in the present, past or future.

There are 4 types of conditional sentences: Zero conditional, first conditional, second conditional, third conditional.

Type

When?

Why?

How? [main clause], (subordinate clause)

Example

Zero conditional

Present

Real, fact, 100%

A universal truth

[Present simple], (if present simple)

[PrS], (if PrS)

If you heat water, it boils.

First conditional

future

Real, 50/50 %

[Future simple], (if present simple)

[will / won't], (if PrS)

I will go on a picnic, if it doesn't rain.

Second Conditional

Present, future

Unreal, 10-40%

It is late, but you can still change the situation

[Future in the past. Simple], (if past simple)

[would +V1/ wouldn't +V1], (if PS)

I would go for a walk, if I did my homework.

Third Conditional

past

Unreal, 0%

You CAN NOT change the situation

[Future in the past. Perfect], (if past perfect)

[would have +V3/ wouldn't have + V3], (if PP)

I would have gone for a walk, if I had done my homework.