Did, didn't - exercises

In english, we have regular and irregular verbs. For the regular verbs, we add (ed or ied) at the end of the verb. On the other hand, for the irregular verbs, for almost of these verbs, we change the form completely in the past.

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Exercises

1. Affirmative forms: regular verbs

2. Affirmative forms: irregular verbs

3. Affirmative forms: regular and irregular verbs

4. Negative forms: regular verbs

5. Negative forms: irregular verbs

6. Interrogative forms: regular verbs

7. Interrogative forms: irregular verbs

8. Affirmative, negative and interrogative: forms: regular and irregular verbs

9. Short and full answers