=>
2. We bought this hand-embroided picture even though it was expensive.
-> even though S V : mặc dù
3. The villagers are trying to learn English so that they can communicate with foreign customer.
-> so that S V ~ so as to V (chỉ mục đích : để)
4. Nguyen asked his teacher when to start the computer.
-> wh word to V ~ wh S should V
5. They can't decide what to do in this situation.
-> wh word to V ~ wh S should V
6. I wondered whether to tell that to her.
-> whether to V : liệu có nên (hay không)
7. The children are looking forward to visiting Hue next week.
-> look forward to Ving : mong đợi (háo hức)
8. I don't know what to help her.
-> wh word to V ~ wh S should V