It is a adverb clause.
Hope this helps!
There should be more to this so I can answer question
Answer:
1. Mothers often tells their children stories at bedtime
2. He brushes his teeth before he goes to bed
3. Every year they go to the countryside on holiday.
4. Lan usually don't watch T.V in the evening.
5. My friends always wishes to become a teacher.
6. What time your father goes to work ?
7. We always understand what the teacher explains.
8. He lives in Thai Nguyen in summers.
9. I usually go to school by bus.
10. What program he watches in the afternoon ?
<span>He is a part of nature.</span>
