WORKING ON PAST SIMPLE - PAST PERFECT

To talk about the past, we need the PAST SIMPLE (theory)  and, of course, the PAST PERFECT (theory).
In both cases, we need to know the complete list of IRREGULAR VERBS, otherwise, we may know the rule, but make grammatical mistakes.

Here you have several exercises to practise the PAST SIMPLE and the PAST PERFECT:

Exercise: Past Simple
Exercise: Past Simple and Past Perfect 1
Exercise: Past Simple or Past perfect 2