29. The pharmacy is behind my school.
-> A + in front of + B : A ở trước B
= B + behind + A : B ở sau A
-> HTĐ : S + is/am/are + O
30. I am going to visit my grandparents next Monday.
-> S + have a plan + to V : Ai có kế hoạch làm gì
= TLG : S + am/is/are + going to + V
-> I + am.
\color{Lightgreen}{\text{#Charlotte}}
