1、英语（八年级上册）Unit 8 Natural disastersGrammarI. Teaching aims and learning objectivesBy the end of the lesson, students should be able to:1. use the past continuous tense to talk about things that were happening at a particular time in the past;2. use conjunctions of time “when, while, as” to talk about
2、things.II. Teaching contents1. New words and phrases: break down, because of;2. New structures: I was sleeping when the earthquake started.Outside, people were running in all directions while pieces of glass and bricks were falling down.Hours later, as I was trying to find my way out, I suddenly hea
3、rd some noise above me.III. Focus of the lesson and predicted area of difficulty1. Introduce the structure of the past continuous tense;2. Tell the differences between “when, while, as”.IV. Teaching proceduresA Past continuous tenseStep 1 Lead-in1. Show some pictures of the Taiwan Earthquake, and as
4、k three questions:What was Timmy doing when the earthquake started?What were people doing while pieces of glass and bricks were falling down?What did Timmy suddenly hear as he was trying to find his way out?2. Watch a video and then answer a questionWhat were people doing when the earthquake happene
5、d?Step 2 Presentation1. Ask the students to read the sentences on the screen to discover the ruleT: Today we will be learning about the past continuous tense. Please work in pairs. Read these sentences and try to find out the rule. 2. Circle the verbs in the past continuous tense3. Work out the rule
6、 (1) Explain the structure of the past continuous tense. (2) Explain the usage of the past continuous tense. Step 3 Practice1. Make sentencesAsk the students to watch the pictures and make sentences.The boys were playing football at 4 p.m. yesterday.The woman was shopping at this time yesterday.The
7、girl was reading the whole night yesterday.2. Change sentencesGet the students to put the three sentences into negative, general questions and make responses.3. Complete Part A on Page 97Step 4 Extension1. Get the students to complete some questions on the entrance examinations.2. Compare the past c
8、ontinuous tense with the present continuous tense and the simple past tense.B Using when, while and asStep 1 Presentation1. Explain the usage of “when”, “while, “as”T: They all mean “during the time that” and can be used to introduce a long action that started before a short action.2. Explain the di
9、fferences between “when”, “while, and “as”If the longer action is in the main clause, we often use “when” to join them.When there are two long actions, we often use “while”.“As” can also be used to join two short actions that happen at the same time.Step 2 Practice1. Fill in the blanksGet the studen
10、ts to fill in the blanks with “when”, “while” or “as”.2. Complete Part B on Page 98Step 3 Activity1. Do a surveyGet the students to complete the survey with their own information.2. Look and answerGet the students to watch the pictures and answer the questions.3. Look and sayGet the students to watch the picture and make dialogues in pairs.V. Homework1. Review grammar learned in this class;2. Preview Integrated skills.
