新概念英语第二册Lesson62教案

Lesson 62 After the fire 单词讲解 课文语法讲解：过去完成时;过去完成进行时 知识拓展：复习表示过去的时态 一、单词讲解 1. control n. 控制 • get sth. under control 使...处于控制之下，控制住....（动态） • be under control 在控制之下（静态） • lose control 失控（动态） • be out of control 处于失控的状态（静态） control v. 控制 • control one’s emotion 控制某人的情绪 • control the budget 控制预算 He controls a large business company. 控制公司 check v.检查 A mechanic checked my car engine yesterday. 检查我的车 2. threaten v. 威胁 • threaten A with B 用B来威胁A threaten the village with destruction • threaten to do sth. 威胁着去做某事 The U.S.A. threatened to break off diplomatic relations. 美国威胁着要破坏外交关系。 3. authority n.（常用复数）当局 • the forest authorities 林业局 4. quantity n. 量 • a huge/large / small quantity of sth. 大量/少量.... • do sth. in huge/large / small quantities 大量/少量的做某事 5. root n. 根 • take root 生根 • Money is a root of all evils. 金钱是万恶之源。 6. patch n. 小片 • a patch of … 一片... • patches of … 很多片... 7. blacken v. 变黑，发暗 • the blackened soil 被变黑的土壤 二、课文语法讲解: 过去完成时；过去完成进行时 Key structure: 过去完成时 / 过去完成进行时 过去完成时： • 形式： had done • 用法：过去的之前 强调事情完成的结果 过去完成进行时 • 形式： had been doing • 用法：过去的之前 强调事情进行的过程 例句 Firemen had put out the fire. Firemen had been fighting the fire for three weeks. 课文.... 1. Firemen had been fighting the forest for nearly three weeks before they could get it under control. 两种时态 过去完成时 过去完成进行时 形式 had done had been doing 强调不同 强调完成的结果 （做完与否都可以） 强调持续进行的过程 角度相同 都表示“过去的之前” 2. A short time before, great trees ________ (cover) the countryside for miles around. great “大”强调重要性 big 大小上的“大” a big man 大个子男人 a great man 伟人 4. Now, smoke still rose up from the warm ground over the desolate hills. 5. Winter was coming on and the hills threatened the surrounding villages with destruction, for heavy rain would not only wash away the soil but would cause serious floods as well. 1）分析句子结构，先断开。 根据标点和连接词断， and, for, not only...but ..as well 2）...coming on 冬天渐近 动词+on 继续做某事 3）not only... but ...as well. 不仅....而且 4）过去进行时，一般过去时，过去将来时 6. When the fire had at last been put out, the forest authorities ordered several tons of a special type of grass-seed which would grow quickly. 1）order 预定； put out 扑灭 7. The seed was sprayed over the ground in huge quantities by aeroplanes. 1）was sprayed...by aeroplanes 被动语态 2）in huge quantities 大量的 8. The planes had been planting (plant) seed for nearly a month when it began to rain. for nearly a month 强调过程的持续，所以用过去完成进行时 9. By then, however, in many places the grass had already taken (take) root. 过去的之前，强调结果 所以用过去完成时 10. In place of the great trees which had been growing (grow) there for centuries, patches of green had begun (begin) to appear in the blackened soil. 1）for centuries 强调过程，用过去完成进行时 2）开始出现 强调结果，用过去完成时 3）soil 土地，土壤 ground 地面（可以是土地地面，水泥地面等） 三、知识拓展：复习表示过去的时态 • 一般过去时 did • 过去进行时 was/were doing • 过去将来时 would do • 过去完成时 had done • 过去完成进行时 had been doing 1. Firemen had been fighting the forest for nearly three weeks... 2. A short time before, great trees had covered the countryside... 3. Now, smoke still rose up from the warm... 4. Winter was coming on and the hills threatened the surrounding villages with destruction, for heavy rain would not only wash away the soil but would cause serious floods as well. • 一般过去时 did 无强调 • 过去进行时 was/were doing 强调 进行 • 过去将来时 would do 强调 之后 • 过去完成时 had done 强调 之前+结果 • 过去完成进行时 had been doing 强调 之前+过程 不规则变化的动词： • fight fought fought