ZERO AND FIRST CONDITIONALS

We use the conditionals to describe and speculate about something that might happen. Most of the phrases (clauses) that use conditional verb tenses contain the term ‘If’.

Zero Conditional

It is generally true and occurs at the time or speaking or is habitual.

Verb tenses  in both parts of the clauses are in present simple.

Example: If it rains, the grass gets wet.

When it rains, the grass gets wet.

First Conditional

To refer to the real or highly posible situation occurring in the present.

Example: If it rains, we will stay at home.