26. A is the reason why

27. threaten to do

28. allow sth to be done/sb to do sth

29. be responsible to sb/for doing sth/sth

30. forbid sth/doing sth； prohibit sb from doing sth

31. depict sth as sth/ as if SVO

32. contribute to sth/doing sth

33. the use of sth to do sth

34. the same as/that[用as与用that意思不同]

35. be capable of doing sth/the capability of doing sth/be able to do sth/the ability to do sth/the possibility of doning

36. [be capable of being done/be able/unable to be done] are wrong！！

37. effort to do sth

38. think of A as B

39. ‘，’ +who； prep+whom

40. supply for sth

41. it is hoped that

42. just as SVO， so SVO

43. the rivalry between A and B； rival A and B；A rival B for sth.

44. help to do/help do； be helpful in doing

45. sth prove adj

46. the necessity of sth

47. break with sb in sth

48. dispute over sth

49. on comparison of A with B

50. on condition that +subjunctive mood or past tense

51. be native to

52. in contrast with/to

53. with the intention of doing