Unit5SectionA(3a-grammarfocus)教案- 人教版八年级下册英语.docx

Unit 5 What were you doing when the rainstorm came?Period 2Main activities: Section A(3a-grammar focus)Teaching period: period 2Teaching aims and demands:Words and expressions:storm, report, area, wind, light, wood, window, flashlight, match, beat,heavily, against, asleep, fal 1 asleep, die down, rise, apartSentence patterns:What was the neighborhood like after the storm?With no light outside, it felt like midnight.Grammar: how to use "when" and "while".Difficulties:To improve the reading skills.To learn how to use "when" and "while".Teaching tools: Multi-media, blackboard and computer.Teaching procedure:New lesson:Step 1 Greeting and Lead-inT: Good morning, class!Ss: Good morning, teacher!Do you still remember last class' s rainstorm? What were the people doing whenthe rainstorm came? The girl was... The woman was...Now let' s read about another storm.Step 2 Reading. Read the passage in 3a silently and as quickly as you can to catch the main idea. Answer the question:What happened in Bcn, s neighborhood?1) . Read the passage carefully and silently to find the specific ideas. And try not to look up the new words, but try to ignore or guess their meanings. Answer the following questions:A. What was the weather like before the heavy rain started?B. What were Ben, s dad and mom doing just before the storm?C. What was Ben doing when the storm started?D. When did Ben fall asleep?E. What was the neighborhood like after the storm?2) . Read again.Try to complete the sentences using information from the passage. ( Show the Chinese meanings and phonetic symbols of the new words on the PPT.). Read it once more to pick up sentences with the past progressive tense.3) . Read aloud.First let the students pronounce the new words aloud according to the phonetic symbols by themselves, then check their pronunciation, and offer help if necessary. Finally read aloud the passage, and try to retell it.4) . Fill in the blanks according to the passage.11. Step 3 DiscussionDiscuss the questions in 3c in groups.Step 4 Grammar FocusGo over the sentences in the Grammar Focus and try to find out how to use “when, while".First let students say out their opinions completely, and then the teacher sums up the rules.1) . When和while都有“当……时候”的意思。

When既可表示某一时间点，也 可以表示某-•段时间在when引导的时间状语从句中，其谓语动词可以是延续 性的，也可以是非延续性的，可与主句中谓语动词同时发生，也可在气候发生2) . While H能表示某一段时间，不能表示某一时间点在while引导的时间状 语从句中，其谓语动词只能是延续性的，而且也只能与主句的谓语动词同时发生 或存在3) .另外，when和while的区别还在于：while引导的时间状语从句多于进行时 态，而when引导的时间状语从句多用一般时态Step 5 PracticeFinish off the practice on the screen, and check the answers together.Step 6 HomeworkFinish off the workbook Section A. Recite the passage in 3a and the new word.Feedback:。