牛津译林版八年级上册Unit 8 Natural disasters教案设计

牛津译林版八年级英语上册8A Unit 8 Grammar

                                       泰州市大泗学校

Teaching aims:

1. Students can learn and understand the past continuous tense;
2. Students can use “when/ while /as”

The key points and difficult items:

1. Learn and understand how to use “when/ while/ as” in communication;
2. Learn to pick out useful information to complete passages or forms while reading or listening to some materials;

Teaching procedures:

Lead in  Free talk ,then watch a video

Task One: Presentation 1—— the past continuous tense

Step1.Let students answer some questions with the help of the pictures from the video.

     Picture1:What was the policeman doing at 10a.m. last wednesday?

          ( The policeman was cleaning his car at 10a.m. last Wednesday.)

 Picture2:What was the girl doing at that moment?

      (She was singing at that moment)

 Picture3: What were the children doing from 2:00 p.m to 3:00 p.m last Wednesday?

          (The children were skating outside from 2:00 p.m to 3:00 p.m last Wednesday.)

 Picture4: What were they doing from 2:00 p.mto 3:00 p.m last Wednesday?

          (They were walking from 2:00 p.mto 3:00 p.m last Wednesday. )

Step2. Lead students to make a conclusion about the past continuous tense.

①when we talk about things that were happening at a particular time in the past, we use the past continuous tense.

②Lead students to make a conclusion about how to make positive sentences of the past continuous tense

Step3. Play a guessing game. Show some pictures with part of them covered and ask the students to guess what he/she was doing. Let the students practice using “ Was he doing……?/ Yes, she was. / No, she wasn’t doing ……”

Step4. Lead students to make a conclusion about how to make negative sentences and“Yes/No” questions of the past continuous tense.

Step4. Practice 1

 Mr. Wu is also asking the students about the snowstorm.Let’s complete their conversation on page 97.

Task Two: Presentation 2—— using “when”, “while” and “as”

Part A:  Learn to use “while”

Step1. Show the pictures they watched in Task 1.

Step2. Lead students to make a conclusion: when two long actions happened at the same time, we often use “while” to join them.

Part B:  Learn to use “when”, “while” and “as”

Step1. Show some other pictures from the viedo.

Step2. Lead students to make the first conclusion: when the longer action is in the main clause, we often use “when” to join the shorter action. ( longer action + when + shorter action);

Step3. Lead students to make the second conclusion: when the shorter action is in the main clause, we often use “while/ as/ when ” to join the longer action. ( shorter action + while/ as/ when+ longer action)

Step4. Practice2   Fill in the blanks on Page 98

The snowstorm stopped .Some students went to play in the snowstorm.let’s go and see what they were doing,ok?

Step5. Sum up

Task Three: Classroom work

Have an interview

  Interview your partner about what he/she and his/her family member were doing at different times last Wednesday, using the questions like

     What were you doing at 7:00 last Wednesday?

     Was your mother cooking at that time?

     Were you having lunch at 12:00? 

     Was your mother doing the same thing then?

     ...

Homework:

Write an e-mail to tell your friend about the snowstorm in Washington by using the past continuous tense and “when/ while/ as”