Past Simple

Study this example:

Tom: Look! It's raining again.
Ann: Oh no, not again. It rained all day yesterday too.

Rained is the past simple tense. We use the past simple to talk about actions or situations in the past.

Very often the past simple ends in -ed. These verbs are called regular verbs.

-We invited them to our party but they decided not to come.

But many important verbs are irregular. This means that the past simple does not end in -ed.
For example:
leave - left We all left the party at 11 o'clock.
go - went Yesterday I went to London to see a friend of mine.