mber/forget to do sth 記得/忘記做某事
remember/forget doing sth 記得/忘記做過某事
52. see sb do sth 看見某人做某事（結果）
see sb doing sth 看見某人正在做某事（正在進行中）
be seen to do sth 做某事被看見
53. something to eat/drink 一些吃/喝的東西（詞不定式放在something等後修飾這些詞）
I need something to eat. 我要一些吃的東西。
54. spend some time (in)doing sth /on sth 花費時間做某事（注意動詞要用ing形式）（常考）
spend some money on sth/doing sth 買……花了多少錢
55. Sth is hard/difficult/easy to do . 做好某事很難/容易
56. stop to do sth 停下來去某事（兩件事）（常考）
stop doing sth 停止做某事 （一件事）（常考）
stop sb (from) doing sth 阻止某人做某事（常考）
57. take turns to do sth 輪流做……
58. tell sb (not) to do sth 叫某人去（不要）做某事
be told to do sth 被告知不要做某事
59. There is no need (for sb) to do sth 對某人來說沒必要做某事
60. There is no time (for sb ) to do sth
have no time to do sth 沒時間做某事
