Давайте разберем предложенные варианты и выберем правильные:
Elena asked me that was I going to show her my snaps.
- Неправильно. Правильная форма: Elena asked me if I was going to show her my snaps.
Elena asked me if I am going to show me your snaps.
- Неправильно. Правильная форма: Elena asked me if I was going to show her my snaps.
Elena wondered whether I was going to show her my snaps.
- Правильно. Эта форма правильная, вопрос в косвенной речи.
Elena asked me if I were going to show me your snaps.
- Неправильно. Правильная форма: Elena asked me if I was going to show her my snaps.
Теперь разберем вторую часть:
Lindsey wondered if Annabel will tell us about her trip to Poland.
- Неправильно. Правильная форма: Lindsey wondered whether Annabel would tell us about her trip to Poland.
Lindsey asked whether would Annabel tell us about her trip to Poland.
- Неправильно. Правильная форма: Lindsey asked if Annabel would tell us about her trip to Poland.
Lindsey wondered whether will Annabel told us about her trip to Poland.
- Неправильно. Правильная форма: Lindsey wondered whether Annabel would tell us about her trip to Poland.
Lindsey asked if Annabel would tell us about her trip to Poland.
- Правильно. Эта форма корректная.
Теперь третья часть:
Colin asked me why I spent every vacation in the countryside.
- Правильно. Эта форма правильная.
Colin asked you why did I spend every vacation in the countryside.
- Неправильно. Правильная форма: Colin asked me why I spent every vacation in the countryside.
Colin asked me why you had spent every vacation in the countryside.
- Неправильно. Правильная форма: Colin asked me why I spent every vacation in the countryside.
Colin wondered whether I spent every vacation in the countryside.
- Также правильно, но не так точно передает исходный вопрос.
И, наконец:
Jane asked me did you see that tourist guidebook.
- Неправильно. Правильная форма: Jane asked me if I had seen that tourist guidebook.
Jane asked you whether I saw that tourist guidebook.
- Неправильно. Правильная форма: Jane asked me if I had seen that tourist guidebook.
Jane asked me I had whether seen that tourist guidebook.
- Неправильно. Правильная форма: Jane asked me if I had seen that tourist guidebook.
Jane asked me if I had seen that tourist guidebook.
- Правильно. Эта форма является правильным вариантом.
Таким образом, правильные варианты:
- Elena wondered whether I was going to show her my snaps.
- Lindsey asked if Annabel would tell us about her trip to Poland.
- Colin asked me why I spent every vacation in the countryside.
- Jane asked me if I had seen that tourist guidebook.
