what/ outdoor/ activities/ you/ like/ part in/?/types of/ do/ to take? her/ on/ the/ floor/ building/./classroom/third/of that/is Why/ go/ to/ school/ classmate/?/did? last sunday/ your/ with/ you

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`1` What types of outdoor activities do you like to take part in `?`

`-` like + to V : thích làm gì .

`-` take part in `=` join `=` participate in : tham gia (V)

`-` Hiện tại đơn : Wh-question + do/does + S + V_inf + O `?`

`2` Her classroom is on the third floor of that building .

`-` Hiện tại đơn : S + is/am/are + O .

`-` be in the + số thứ tự + N : ở thứ gì thứ mấy .

`3` Why did you go to school with your classmate last sunday `?`

`-` last Sunday : Quá khứ đơn .

`=>` Wh-question + did + S + V-inf + O `?`