37. Mai not only plays the piano but also play the guitar.

     S + V + not only + n/adj/adv + but also + n/adj/adv
       Hoặc:
      S + not only V + but also + V

38. There aren't enough eggs here for me to make a cake.

     S + to be (not) + adj + enough (for sb) + to V

                                enough + n                   

39. The hotel they saw first was rather so expensive that they decided to look for another.

       S + to be/ V + so + adj/adv                               + that + S + V

                                      many/much/little/few +n 

40. It was surprised for Phong to fail the examination.

         It + to be + adj + for/ of sb  + to do sth