`37` . She takes a great interest in music

`->` take a great interest in sth/doing sth : tìm thấy niềm thú vị trong việc gì/cái gì đó 

`38` . The English midterm test was so difficult that she couldn't do it

`->` so adj that clause : cái gì quá như thế nào để ai đó làm gì

`39` . It's time you had your hair cut after 1 month lockdown

`->` It's time + S + Quá khứ đơn 

*Bonus công thức : It's time for sb to do sth

`40` . He warned me against eating the meat because it smells awful

`->` warn sb  against ving : cảnh báo ai đó về việc gì 

37. She takes a great interest in music (take an interest in: thích thú cái gì)

38. The English midterm test was so difficult that she coudn't do it (St+be+so adj+for sb+to V+...)

39. It‘s time you had your hair cut after 1-month lockdown (It;s time S+V-lùi thì |S+ have st done+...)

40. He warned me against eating meat because it smelt alwful (warn sb against V-ing: cảnh báo ai về việc gì)