1, Ba is a good badminton player .
\(\rightarrow\) He plays badminton well .
2, Lan is a slow runner .
\(\rightarrow\) She runs slowly .
3, Mrs.Thanh is a quick swimmer .
\(\rightarrow\) He swims quickly .
4, Mrs.Vui is a safe cyclist .
\(\rightarrow\) She cycles safely .
5, Lan's father is a careful driver .
\(\rightarrow\) He drives carefully .
6, My mother is a good cook .
\(\rightarrow\) She cooks well .
7, My sister is a beautiful dancer .
\(\rightarrow\) She dances beautifully .
8, Nam and Ba are skillful soccer player .
\(\rightarrow\) They play soccer skillfully .
9, Mr.Tuan and Mr.Nam are careless driver .
\(\rightarrow\) They drives careless .
10, We should finish our homework first .
\(\rightarrow\) We must finish our homework first .
11, Lan must tidy the house everyday .
\(\rightarrow\) Lan has to tidy the house everyday .
12, Ba ought to cook lunch for his mother .
\(\rightarrow\) Ba has to cook lunch for his mother .