Unit 6 When was it invented？第三课时　Section A (Grammar Focus～4c).doc

第三课时Section A (Grammar Focus4c)【学习目标】1掌握下列词汇：bell，musical，instrument，biscuit，fridge，low2进一步复习巩固学习Section A部分所学的生词和短语。3进一步学习运用一般过去时态的被动语态。【学习重点】新*课标*第*一*网复习巩固Section A部分所学的生词和短语，达到熟练运用的目标。【学习难点】掌握主动语态变被动语态的方法，并通过不同方式的练习，来熟练运用。学习提示Review：Last lesson 3a told us about accidental discovery of tea.What did you learn from the story？Who can retell how tea was discovered and its development？(showing some key words and phrases can help them)Task 1学习提示来源:学#科#网Z#X#X#KStudents preview the words on P44，read them by phonetic symbols and mark them in the text.Task 2学习提示1Students read and translate the sentences in Grammar Focus，underline “was invented，was brought，is used for”，and say out what grammar it stands for.2Teacher guides students finishing the exercises in 4a，4b，4c and check the answers with students.3Students design the scene，talk about learning methods and make dialogues with the passive voice of the past.情景导入生成问题关键单词及短语：by accident；It was said；Shen Nong；fall into；Lu Yu自学互研生成能力Task 1Lets read new words and the phrases.1I can read.(我会读)预习下列单词，争取自己能正确拼读。拼读成功后再在课文中把单词标记出来。low，bell，instrument，musical，biscuit，cookie2I can write.(我会写)翻译下列词语：(1)以一个很低的价格 at_a_low_price(2)建议某人不要做某事 advise_sb.not_to_do_sth.(3)work on从事，进行Task 2Lets make conversations and interview.1I can practice.(我会练)(1)根据汉语意思完成英语句子，每空一词。它是由谁发明的？Who was it invented by?不同的作家把这本书翻译成不同的语言。Different writers translated the book into different languages.x k b 1 . c o m有人从旅馆偷了我的相机。Somebody stole my camera from my hotel room.(2)完成教材P44中4a和4b的练习。2I can make conversations.(我会编对话)用被动语态编写对话。A：When_was_the_car_invented?B：It_was_invented_in_1885.A：When_were_electric_slippers_invented?B：They_were_invented_last_year.A：Who_were_they_invented_by?w w w .x k b 1.c o mB：They_were_invented_by_Julie_Thompson.A：What_were_they_used_for?B：They_were_used_for_seeing_in_the_dark.3I can summarize.(我会总结)xkb 1(1)特殊疑问句的被动语态【备注】和主动句一样，仍将疑问词置于句首。若主动句的疑问词是who，变被动句时要改为by whom置于句首，也可仍用who，而将by置于句末；若主动句的疑问词是whom，则改为who，其余疑问句不变。Who bought the book？Who was the book bought by？或By whom was the book bought？谁买了这本书？(2)主动语态变被动语态应注意的问题：有些短语动词相当于及物动词，变为被动句时介词或副词不能去掉；含有双宾语的主动句变为被动句时，通常把指“人”的间接宾语变为主语，指“物”的直接宾语保留不变；如果把指“物”的直接宾语变为主语，则在间接宾语前加to或for；主动句中感官动词see/hear/watch/feel等和使役动词make/let/have等后跟省略to的动词不定式，变为被动语态时应加上不定式符号to。(24分钟)Show in groups.(Time：six minutes)First the students read the words and phrases in groups，then read together and sum up the usage of the words in groups，then mark the difficult words in pronunciation and understanding(they can ask the teacher for help)At last write them on the blackboard.First the students discuss and check the answers in Task 2，then discuss and set scenes to perform dialogues.At last write show contents on the blackboard.Class show.(Time：sixteen minutes)1I can read.Read together，pay attention to the pronunciation of new words；Consolidate the word learning by word game.2I can write.Students translate the phrases into English by answering quickly；Read together；Spot test：Consolidate the usage of phrases by making sentences.1I can practice.Ask students to translate the key sentences；Read together；Check the answers by answering quickly and explain.2I can make conversations.Students make dialogues according to the task；Set scenes to perform the dialogues；Spot test：Interview in class and design exercises about dialogue completion according to the interview.3I can summarize.Students sum up the usage of the passive voice of the special interrogative sentence and active and passive exchange；Check the answers by answering quickly and explain.当堂演练达成目标1毫无疑问，罗伊是他家年龄最小的。Roy is without doubt the youngest one in his f