1. If the weather weren't glooming, Mary could go hiking.
- Sự thật là Mary không thể đi bọ đường dài vì thời tiết u ám -> giả định lại với hiện tại dùng câu điều kiện loại 2
- If 2 : If + S1 + V2/ed, S2 + would /could+ Vinf
2. Eric said that his father had read the stories to him when he had been a child.
-> Câu trần thuật nên lùi thì từ quá khứ đơn về quá khứ hoàn thành, thay đổi đại từ nhân xưng "me" -> "him"
3. They said to Maria that they would be writing to her later that week.
4. Nick said that he had seen Helen at a party the night before and she had seemed unwell.
5. She said that she was not going to worry about the money until she heard from the bank".