Conditional sentences have two parts: the if-clause and the main clause.
Example sentence: If you listen, you will understand the lesson.
If you listen is the if-clause and you will understand the lesson is the main clause.
The IF-clause introduces a condition. The main clause is the result of that condition.
What happens in the main clause is conditional to what happens in the if-clause. In other words the main clause only happens when the events in the if-clause happen.
There are 4 main types of conditional clauses (if-clauses)...
You have to focus on the zero, first and second conditional!
ZERO CONDITIONAL: for facts generally true or do not change
FIRST CONDITIONAL: for possible situation in the future
for hypothetical or unlikely situations. Also used to give advice with If I were you…
Check out the file:
and this Youtube video to have a full description
Online exercise zero conditional:
Online exercise 1st conditional:https://www.englisch-hilfen.de/en/exercises/if_clauses/type_1_statements.htm
Online exercise 2nd conditional:https://www.englisch-hilfen.de/en/exercises/if_clauses/type_2_statements.htm
Online exercise 1st and 2nd conditional: