4. Grammar Revision: Past Simple vs. Past Progressive/Continuous

Have you had any problems completing the gaps in the listening task in the previous section? It is highly probable that you completed the exercise successfully because this grammar point had been covered before: in Unit 7bc. Still, if you think you need to brush off this knowledge, complete the overview in this task. Alternatively, you can study this grammar overview, where this grammar point is explained in the context of famous inventions. Finally, practise the Past Simple and Past Progressive/Continuous tenses by completing this exercise.