1, No country in the world is cleaner than Singapore

→Singapore is the cleanest in the world

So sanh nhất: S+ be+ the+ adj(ngắn)+ est...

2. " Do you sleep at least eight hours a day" the doctor asked him → The doctor asked him if he slept at least eight hours a day

=> Câu gián tiếp ở dạng câu hỏi Yes/no

S+ asked+ O+ If+ S+V(lùi thì)

3. There was a secondary school here in the 1900s → There used to be a secondary school here in the 1900s

S+ used to+ V: cái gì đã từng làm gì trong quá khứ

4. The atisans in my village can earn enough money from basket weaving to live → The atisans in my village can live by basket weaving

=> Nghệ nhận làng tôi có thể kiếm sống bằng nghề đang rổ

=> Can earn enough money...to live=> live by

1. Singapore is the cleanest in the world.

No + N + so sánh hơn -> so sánh nhất.

2. The doctor asked him if he slept at least eight hours a day.

3. There used to be a secondary school here in the 1900s.

4. The atisans in my village can live by basket weaving.