46. There's no point persuading him to do this.
Cụm There/It is no point + V-ing.
47. You won't have any difficulty in getting a ticket for a game.
Difficulty (n): sự khó khăn
Difficulty in something/doing something
48. Americans aren’t used to driving on the left.
Be used to/get used to + V-ing: quen với việc gì/ quen với điều gì
49. Changes to the taxation system are expected to be proposed by the government.
Passive voice (thể bị động)
50. There’s no point trying to get Jim to lend you his car.
There/It is no point + V-ing.