Grammar优秀公开课教案

Period 4 Grammar Teaching Goals：

1．To help Ss learn how to use the subjunctive correctly．

2．To enable Ss to learn two structures：If they had(not)been．．．，they would(not)have．．．；

If they had(not)done…，they would(not)have…

Teaching Procedures：

Step 1．Revision Check the answers to Vocabulary exercises on P98 and give Ss some instruction．

Step 2．Grammar Purpose：To enable Ss to use the subjunctive correctly．

1．Leading-in (1)Ask Ss to read the sentences and answer some questions．

①If they had reached the beach，they would probably have been killed．

Q：Did they reach the beach? Were they killed? Suggested Answers：

No．they didn’t reach the beach．So they were not killed．

②If they hadn’t been on the boats，they would have survived．

Q：Were they on the boats? Did they survive? Suggested Answer：

Yes，they were on the boats，but they didn’t survive．

③If their backpacks had been small，they would not have drowned．

Q：Were their backpacks small? Did they drown? Suggested Answer：

No，their backpacks were big．So they drowned．

④If the Germans had not been near the beach，the soldier would not have had any problems．

Q：Were the Germans near the beach? Did the soldiers have problems? Suggested Answer：

Yes，the Germans were near the beach，and the soldiers did have problems．

(2)Guide Ss to draw a conclusion of them．Ask them the following question first．

Do these sentences describe something that really happened7 ．

Suggested Answer：

No，they don’t．

The conclusion：

用虚拟语气表示与过去事实相反，条件从句用过去完成时(had done／been)；结果主句用would／could／might + have done 2．Practice (1)Let Ss join the sentences together by using the above structure．

①a．Germany invaded Poland．

b．The British declared War．

⑦a．The soldiers reached the beach．

b．They were attacked by the Germans．

③a．The water was very deep．

b．It was impossible for the soldiers to walk to the beach．

④a．The invasion of Normandy was successful_ b．The war ended soon afterwards．

Suggested Answers：

②

If Germany hadn’t invaded Poland，the British wouldn’t have declared war．

②If he soldiers hadn’t reached the beach，they wouldn’t have been attacked bv the Germans．

③

If the water hadn’t been so deep，it would have been possible for the soldiers to walk to the beach．

④If the invasion of Normandy hadn’t been successful，the way wouldn’t have ended s00n afterwards．

(2)Let Ss draw a conclusion of all the subjunctive we have learnt．

The Conclusion：

虚拟情况

表示与现在事实相反的

情况

表示将来不大可能实现

的事情

表示与过去事实相反的

情况

条件从句

动词的过去式(be动词一般用were)

动词的过去式(be动词一般用

were)／were to／should+动词原形

动词的过去完成时(had done)

结果主句

would／could／might+动

词原形

would／could／might+动

词原形

would／could／might +

have done

3．Exercise Step 3．Homework 1．Finish the Grammar exercises in the Workbook on P97．

2．Preview Reading and Writing，Cultural Corner in this module．