1. Julia said she had called the waiter but he hadn't heard her.

 - Reported speech lùi thì: quá khứ đơn `->` quá khứ hoàn thành

2. The teacher asked the students who had broken the window.

3. Phillip asked me whther i had gone to the party the night before.

4. He said there was no one at home.

 - Reported speech lùi thì: hiện tại tiếp diễn `->` quá khứ tiếp diễn (tobe)

5. She said she was going to the dentist then

6. Klein asked me how much a spaceship cost

 - Lùi thì: hiện tại đơn `->` quá khứ đơn

7. Lena asked Peter whether he had ever seen an alien.

8. Lyn said the running tournament would start from there the following day.

9. He said he had got an A in his History exam the day before.

10. Sue asked Jim whether she could use his mobile phone.

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Reported speech với WH-question (When, How, Why, What, Which,.....)

S + asked/asked someone/wondered/wanted to know + WH-question + S + V(theo thì)

Reported speech với Yes/No question :

S + wanted to know/wondered/asked/asked someone + whether/if + S+ V(theo thì)

1.Julia said that she had called the waiter but he hadn't heard her.

2. The teacher asked the students who had broken the window.

3. Phillip asked if you had gone to the party the night before

4. He said there was no one at home

5. She said she was going to the dentist then

6. Somebody asked Klein how much a space ship was cost

7.Lena asked Peter if he had seen an alien

8.Lyn said that the running tournament would start from here to the following day

9. He said he had got an A in  his History exam the day before

10. Sue asked Jim could he/she use her mobile phone.