1 Nam said they were learning English at that moment
2 This letter must be answered by us immediately
3 Nobody in this class is as good as Miss Huong Tram
4 I asked my brother if he knew where Tony was
1. "We are learning English at this moment" Nam said.
\(\rightarrow\) Nam said that they were learning English ai that moment.
2. We must answer this letter immediately.
\(\rightarrow\) This letter must be answered immediately.
3. Miss Huong Tram is the best student in this class.
\(\rightarrow\) Nobody in this class is better than miss Huong Tram.
4. "Do you know where Tony is?" i asked my brother.
\(\rightarrow\) I asked my brother that if he knew where was Tony.
