23. They last had their car washed 2 weeks ago. → They have → The last time → It is 24. It is 6 weeks since I last had an English lesson. → The last ➜ I have ➜ I last 25. The last time we got together was 7 years ago. → We have → We last → It is 26. We last saw her when she was in hospital. → The last time → We have 27. I haven't heard of this before. → It 28. I haven't played table tennis before. → This 29. This is the first time I have met my cousin. ➜ I 30. It is the first time we had had lunch in the garden. → We 31. I have never used a laptop before. → It giúp em những câu nào có thì quá khứ đơn thôi ạ