Its high/about time + did/should (虚拟语气)

　　51. Its high time you left.

　　52. Its about time we should work hard at our lessons.

　　It is/has been + 时间 + since

　　53. Its twenty years since she left me.

　　54. It has been 20 years since I left here.

　　55. I heard it had been 20 years since they departed from each other.

　　It was/will be + 时间名词 + before 从句 在多长时间后才发生某事

　　56. It was twenty years before they met again.

　　57. It wont be long before you recover.

　　58. It will be two years before I come here again.

　　五、指天气等自然现象

　　59. Its very cold in winter in Haerbin.

　　60. Its five degree below zero.

　　61. It will be windy tomorrow.

　　62. It will snow heavily tomorrow.

　　63. The volleyball match will be put off if it rains.

　　64. It was snowing heavily when he went out.

　　65. ---Whats the weather like in Beijing? ---Its cloudy.

　　六、指距离、速度、金钱、度量

　　66. Its just two stops to the park. 到公园只有两站路。

　　67. Its about ten kilometers from my home to my school.

　　68. Its about ten minutes walk from here to the zoo.

【中考英语必备：IT用法概览】相关文章：

★ 2014中考英语语法天天练试题+答案(11)

★ 中考英语定语从句专题复习

★ 中考英语动词ing形式用法讲解课件

★ 2014年中考英语常见考点：过去将来时

★ 中考英语语法：数词（同步练习）

★ 中考英语第二轮复习（四）介词用法讲解

★ 中考英语语法时态综合复习题

★ 中考英语名词复习（课件）

★ 中考英语语法讲解资料及练习：动词语态

★ 中考英语语法：名词（同步练习）