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7B Unit 4 Amazing things Period 6 (教案)教学目标:1. 了解一般过去时的构成及用法。2. 根据情境正确使用一般过去时谈论过去的事件。教学内容:一般过去时的构成及用法;正确使用一般过去时谈论过去的事件教学内容:(past simple tense of the verb “to be”)教学准备:多媒体教学步骤:Part One预习作业&预习交流:15分钟Step 1 Revision(3分钟)Revise the past tense forms of regular verbs 1 Most verbs: + ed 2 Verbs ending in e: + d 3 Verbs ending in a consonant + y: - y + ied 4 Short verbs ending in a vowel + a consonant: double the consonant + ed 多媒体呈现表格:How to add “ed” to regular verbs:Most verbs + edwalk walkedVerbs ending in e + dlive livedVerbs ending in a consonant +y -y + iedstudy studiedShort verbs ending in a vowel + a consonant double the consonant + edstop stopped预习作业 (课前完成)A . 默写下列动词的过去式不规则变化:(5分钟) play_ enjoy_ help _ learn _ smile_ hope _ die_tie_ worry_study_stop_ plan_ B. 默写下列动词的过去式不规则变化: give _ get _ spend _ find _see _ hear _ tell _ take _ read _ eat _ lay _ say _多媒体呈现练习:(2分钟)Complete the sentences. Use the simple past tense of the verbs in brackets:1.My father_(listen) to the radio last year. 2. She_(take) Eddie for a walk last night.3. He_(wash) clothes yesterday.4.Simon _ (pass) the ball to Daniel just now.5.Miss Li_ (teach) Chinese 5 years ago.6.Look at the animal, it _ (has) four legs.预习作业 (课前完成) 行为动词的过去时练习(5分钟)A、用行为动词的适当形式填空1. He _ (live) in Wuxi two years ago.2. The cat _ (eat) a bird last night.3. We _ (have) a party last Halloween.4. Nancy _ (pick) up oranges on the farm last week.5. I _ (make) a model ship with Mike yesterday.6. They _ (play) chess in the classroom last PE lesson.7. My mother _ (cook) a nice food last Spring Festival.8. The girls _ (sing) and _ (dance) at the party just now.二、句型转换1. Su Hai took some photos at the Sports day. 否定句:_一般疑问句:_肯、否定回答:_2. Nancy went to school early. 否定句:_一般疑问句:_肯、否定回答:_3. We sang some English songs. 否定句:_一般疑问句:_肯、否定回答:_Part Two交流展示&点拨提高:20分钟Step 2 Presentation Revise the seven days in a week by asking students: How many days are there in a week? What are they? continue to ask students: What day is it today? What day was it yesterday? Help students answer and write down the sentences What day is it today? It is today. What day was it yesterday? It was yesterday. Let students look at the sentences and find the differences of the sentences. is wasStep 3 Presentation Put a bag in the desk ,talk with studentsT: Where is the bag? S: It is in the desk. Put the bag on the desk ,continue to talk T: Where is the bag now? S: It is on the desk. Write: The bag is on the desk now. Ask students : But where was the bag amoment ago? Help students answer and write : The bag was in the desk a moment ago.The bag is on the desk now.The bag was in the desk a moment ago. Let students find the changes Ask students to make up similar dialogues. Remember to use is and was e.g., A: Where is my book now? B: Its on your desk.A: But where was it just now?B: It was in your left hand. Use the same way to elicit were Repeat step2. Practise using were.Step 4 Presentation1 Teach them how to use the simple past tense of to be to make positive and negative sentences, ask and answer questions. a, Positive and negative sentencesIHe/She/Itwaswasnt/was notat home yesterday.YouWeTheyWerewerent/were not b, Question sentences and answersWasI/he/she/itat home yesterday?Wereyou/we/they Yes,I/he/she/itwasNo,I/he/she/itwasnt/was notyou/we/theywereyou/we/theywerent/were not Let students conclude: (1) We use was when the subject is _ (I). _ (he), _ (she) or _ (it). We use were when the subject is _(you), _ (we) or _ (they). (2) Negative structures of the verb to be in simple past tense are:I/He/She/It _ / _. (was not wasnt) We/You/They _ / _ . (were not werent)(3). Ask students some questions and students give answers. When were you born? Were you born ? Was he/she born? Were they born?(4).Explain the instructions to Part B1 on Page 68. Remind them to use the past (5).tense form of “to be”. Ask them to complete the exercise. Then share their answers in a whole.常与一般过去时态连用的时间有:Yesterday yesterday morning (afternoon, evening)last night (week, month, year) just nowtwo days ago, a week ago, three years agoin 1990, (in 1998)Part Three: 点拨提高:一、句型转换1. It was exciting.否定句:_一般疑问句:_肯、否定回答:_2. All the students were very excited否定句:_一般疑问句:_肯、否定回答:_3. They were in his pocket.否定句:_一般疑问句:_肯、否定回答:_4. There was a car in front of the house just now.否定句:_一般疑问句:_肯、否定回答:_肯、否定回答:_二、Be动词的过去时练习1. I _ an English teacher now.2. She _ happy yesterday.3. They _ glad to see each other last month.4. Helen and Nancy _ good friends.5. The little dog _ two years old this year6. Look, there _ lots of grapes here.7. There _ a sign on the chair on Monday.8. Today _ the second of June. Yesterday _ the first of June. It _ Childrens Day. All the students _ very excited.Part Four 当堂检测:10 分钟一、用be动词的适当形式填空(3分钟)1. I _ at school just now.2. He _ at the camp last week.3. We _ students two years ago.4. They _ on the farm a moment ago.5. Yang Ling _ eleven years old last year.6. There _ an apple on the plate yesterday.7. There _ some milk in the fridge on Sunday.8. The mobile phone _ on the sofa yesterday evening.二、Simon is talking to Sandy about their visit to the Funny World Museum.Complete their conversation with the correct form of the verbto be(3分钟)Simon: It _ a happy day yesterday, right?Sandy: Yes, it _. But I didnt see Daniel. Where _ he?Simon: He _ ill. He _ at home.Sandy: What a pity! There _ so many amazing animals in the museum!Simon: _ you afraid of those strange animals?Sandy: Yes, I _ a little afraid.Simon: How about Millie and Amy?Sandy: They _ afraid at all. They _ quite fond of amazing things.Simon: _ you tired after the visit?Sandy: No, I _. I _ very excited to see so many amazing things.三、After visiting the Funny World Museum, Simon became interested in finding out more about amazing things in the world. He found some information about dinosaurs. He is writing about them in his diary. Help him complete his diary entry with the correct form of the verbs in brackets.(4分钟)I _ (read) some amazing things about dinosaurs today.Dinosaurs _ (live) on Earth a long time ago. We now knowthat the first dinosaurs _ (appear) about 230 million yearsago. However scientists believe they _ (be) not the firstanimals on Earth. There _ (be) hundreds of different kindsof dinosaurs, but they _ (not live) at the same time.S
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