Note: 点动词，不能表示买的时间长短。

52. but 用法：not…but.. but for next but one , have no choice bu to do sth., all but 几乎，差一点

Note: do nothing but do sth. nothing前有do，后面的to要省略。Not only… but also…引导的并列句，前倒后不倒。cannot help/ choose but do sth. 不能不，只能

53. by 用法：by accident, by air/ sea/ train, by and by, by far, by force, by mistake, by chance, by the way

Note: by way of 取道，经由。by reason of 由于。by 引导的时间状语一般句子用完成时态。

54. call 用法： call for / up / back / in / , call on sb. to do sth., pay / make a call on sb. give sb. a call ,on call

Note: call at后面跟地点;call on 后面跟人。

55. care 用法：take care of; with care; care for/about

Note: care about表示在乎，常用于否定句;care for表示关心，喜爱，常用于肯定句。

56. carry 用法：carry表示搬运;carry on表示进行;坚持下去;carry out表示执行。

Note: carry没有方向性，可以表示随身携带。

57. case 用法：in case; in case of; in any case; in this/that case

Note: in case后面的状语从句可以用虚拟语气，即in case sb. should do的形式。

58. catch 用法：catch the thief; catch fire; catch a cold; catch up with, catch sb. doing sth.

Note: be caught表示陷入困境，如：He was caught in the rain.

59. cattle 用法：集合名词，动词要用复数形式。如：Cattle are raised here.

Note: 一头牛可以用a head of cattle. 注意十头牛用ten head of cattle。

60. chance 用法：by chance; take a chance; there is a chance that…

Note: 在chance后面可以用动词不定式或者of的结构作定语。

61. change 用法：change A for B表示用A换成B;change A into B 表示把A变成B。