24. 'If I were you, I would take the course,' Jane told me.

⇒ Jane told me to take the course.

-  ask SO (not) to do something: yêu cầu ai làm gì

25. 'There are still so many difficulties ahead. Let's double our efforts,' the president said.

⇒ The President said ( that ) there were still so many difficulties ahead and suggested doubling their efforts

- Chuyển từ câu trực tiếp sang trần thuật: lùi thì ( vd: từ hiện tại đơn-> quá khứ đơn, hiện tại hoàn thành -> quá khứ hoàn thành ) ; thay đổi đại từ xưng hô cho phù hợp ( vd: she -> I, we -> they ) ; thay đổi từ chỉ thời gian, nơi chốn ( vd: here -> there, tomorrow -> the next day ... )

=>

24. Jane told me that she would take the course if she were me./ Jane invited me to take the course.

25. The president said that there were still so many difficulties ahead and he suggested doubing their efforts.