学习中心/新概念英语一/下册/Lesson 89 For sale/语法新概念课文精读下册基础英语Lesson 89 For sale语法总结新概念英语一 · 待售 · 精读资料卡学习状态未开始学习中已完成分享下册 · 同册篇目查看目录Lesson 73 The way to King StreetLesson 74 The way to King StreetLesson 75 Uncomfortable shoesLesson 76 Uncomfortable shoesLesson 77 Terrible toothacheLesson 78 Terrible toothacheLesson 79 Carol's shopping listLesson 80 Carol's shopping listLesson 81 Roast beef and potatoesLesson 82 Roast beef and potatoesLesson 83 Going on holidayLesson 84 Going on holidayLesson 85 Paris in the springLesson 86 Paris in the springLesson 87 A car crashLesson 88 A car crashLesson 89 For saleLesson 90 For saleLesson 91 Poor Ian!Lesson 92 Poor Ian!Lesson 93 Our new neighbourLesson 94 Our new neighbourLesson 95 Tickets, please.Lesson 96 Tickets, please.Lesson 97 A small blue caseLesson 98 A small blue caseLesson 99 Ow!Lesson 100 Ow!Lesson 101 A card from JimmyLesson 102 A card from JimmyLesson 103 The French testLesson 104 The French testLesson 105 Full of mistakesLesson 106 Full of mistakesLesson 107 It's too small.Lesson 108 It's too small.Lesson 109 A good ideaLesson 110 A good ideaLesson 111 The most expensive modelLesson 112 The most expensive modelLesson 113 Small changeLesson 114 Small changeLesson 115 Knock, knock!Lesson 116 Knock, knock!Lesson 117 Tommy's breakfastLesson 118 Tommy's breakfastLesson 119 A true storyLesson 120 A true storyLesson 121 The man in a hatLesson 122 The man in a hatLesson 123 A trip to AustraliaLesson 124 A trip to AustraliaLesson 125 Tea for twoLesson 126 Tea for twoLesson 127 A famous actressLesson 128 A famous actressLesson 129 Seventy miles an hourLesson 130 Seventy miles an hourLesson 131 Don't be so sure!Lesson 132 Don't be so sure!Lesson 133 Sensational news!Lesson 134 Sensational news!Lesson 135 The latest reportLesson 136 The latest reportLesson 137 A pleasant dreamLesson 138 A pleasant dreamLesson 139 Is that you, John?Lesson 140 Is that you, John?Lesson 141 Sally's first train rideLesson 142 Sally's first train rideLesson 143 A walk through the woodsLesson 144 A walk through the woods上一篇下一篇导出 / 打印完整资料卡单词表语法常考题语法总结for与 since现在完成时还可以描述发生在过去且一直延续到现在的动作，这种动作甚至有可能延续下去。在这种情况下，它一般与for+ 一段时间、since+ 某个时间点连用。 请注意：for+ 一段时间表示某个动作持续多长时间；since+ 某个时间点表示某个动作是何时开始的。例：现在完成时还可以描述发生在过去且一直延续到现在的动作，这种动作甚至有可能延续下去相关学习同册导航、本课知识点页与相关课文，形成可连续学习的路径。返回目录新概念英语一新概念英语一课文全文本课专页Lesson 89 For sale单词表Lesson 89 For sale常考题相关课文Lesson 73 The way to King Street · 新概念 · 课文精读Lesson 74 The way to King Street · 新概念 · 课文精读Lesson 75 Uncomfortable shoes · 新概念 · 课文精读Lesson 76 Uncomfortable shoes · 新概念 · 课文精读Lesson 77 Terrible toothache · 新概念 · 课文精读