12. Sarah's father told her that he would take her to the art gallery the next weekend.

- Câu tường thuật dạng câu kể: S + said/told + someone + (that) + S + V.

- will → would.

 13. I wish my friend took notice of me.

- Câu ao ước không có thực ở hiện tại: S + wish + S + V_ed/2.

12. Sarah's father told her that he would take her to the art gallery the next weekend

- S + told + O + ( that ) + S + V

- Lùi thì: TLD -> would V - inf

- Next weekend -> The next weekend / The following weekend / The weekend after

15. I wish my friends took notice of me

- S + wish(es) + S + V2 / ed: Câu ước không có thật ở hiện tại