4. Put in the verbs in brackets into the gaps. Use Simple Past. 11. I _______ my maths homework yesterday. (do) 12. Susan _______ to England by plane? (go) 13. They _______ a farm two weeks ago. (visit) 14. Jenny and Peggy _______ their brother. (not/help) 15. The children _______ at home last weekend. (not/be) 16. When _______ you _______ this wonderful skirt? (design) 17. My mother _______ into the van. (not/crash) 18. The boys _______ the mudguards of their bicycles. (take off) 19. _______ you _______ your aunt last week? (phone) 20. He _______ milk at school. (not/drink)

Here are the sentences with the verbs in the correct Simple Past form: 11. I did my maths homework yesterday. 12. Susan went to England by plane? 13. They visited a farm two weeks ago. 14. Jenny and Peggy did not help their brother. 15. The children were not at home last weekend. 16. When did you design this wonderful skirt? 17. My mother did not crash into the van. 18. The boys took off the mudguards of their bicycles. 19. Did you phone your aunt last week? 20. He did not drink milk at school. **Explanation:** For regular verbs, we add -ed to the base form. Irregular verbs like 'go' become 'went', and 'do' becomes 'did'. When negating, we use 'did not' or 'were not', followed by the base verb form. For questions, we use 'did' before the subject.