
一、教学目标
1. 熟练掌握英语的基本时态和语态;
2. 能正确运用各种时态和语态进行句子转换;
3. 加深对时态和语态的理解,提高英语语言运用能力。
二、教学内容
时态和语态的复习和运用
三、教学过程
1. 导入
通过展示一张图片或播放一个视频,引导学生回忆过去发生的事情,并让学生使用过去时描述图片或视频内容。
2. 时态的复习
(1)现在时态
- 用法:表示现在正在进行的动作或状态。
- 结构:主语 + 动词-ing
- 例句:I am studying English now.
(2)过去时态
- 用法:表示过去发生的动作或状态。
- 结构:主语 + 动词过去式
- 例句:He went to the park yesterday.
(3)将来时态
- 用法:表示将来要发生的动作或状态。
- 结构:主语 + will + 动词原形
- 例句:They will have a meeting tomorrow.
3. 时态转换练习
让学生根据给出的句子,将其改写成其他时态,并解释改变的原因和规则。
例题:
(1) They are playing basketball now.
转换为过去时态:They were playing basketball yesterday.
解释:由于动作是在过去发生的,所以需要将现在时态改为过去时态。
(2) I will go to the supermarket tomorrow.
转换为现在进行时:I am going to the supermarket now.
解释:虽然动作发生在将来,但是现在正在进行。
4. 语态的复习
(1)被动语态
- 用法:强调动作的承受者而非执行者。
- 结构:主语 + be + 过去分词(动词-ed)
- 例句:The book was written by him.
(2)进行时的被动语态
- 用法:强调正在进行的被动动作。
- 结构:主语 + be + being + 过去分词(动词-ed)
- 例句:The car is being repaired by the mechanic.
(3)完成时的被动语态
- 用法:强调动作已经完成的被动语态。
- 结构:主语 + have/has been + 过去分词(动词-ed)
- 例句:The work has been done by the team.
5. 语态转换练习
让学生根据给出的句子,将其改写成其他语态,并解释改变的原因和规则。
例题:
(1) They built a new bridge last year.
改写为被动语态:A new bridge was built by them last year.
解释:强调的是被动的对象(新桥梁),因此需要改为被动语态。
(2) The teacher is explaining the lesson now.
改写为进行时的被动语态:The lesson is being explained by the teacher now.
解释:强调的是正在进行中的被动动作(解释课程),所以需要使用进行时的被动语态。
6. 综合练习
提供一些练习题,让学生灵活运用所学的时态和语态知识。
例题:
(1) 请将下列句子改写成现在进行时态:
- They eat dinner at home every day.
- 改写答案:They are eating dinner at home now.
(2) 请将下列句子改写成被动语态:
- She drew a beautiful picture.
- 改写答案:A beautiful picture was drawn by her.
7. 小结和总结
通过讨论和总结,回顾本节课所学的时态和语态知识点,确保学生对知识的掌握和理解。
四、板书设计
- 现在时态
- 结构:主语 + 动词-ing
- 例句:I am studying English now.
- 过去时态
- 结构:主语 + 动词过去式
- 例句:He went to the park yesterday.
- 将来时态
- 结构:主语 + will + 动词原形
- 例句:They will have a meeting tomorrow.
- 被动语态
- 结构:主语 + be + 过去分词(动词-ed)
- 例句:The book was written by him.
- 进行时的被动语态
- 结构:主语 + be + being + 过去分词(动词-ed)
- 例句:The car is being repaired by the mechanic.
- 完成时的被动语态
- 结构:主语 + have/has been + 过去分词(动词-ed)
- 例句:The work has been done by the team.
五、课堂练习与作业
1. 将下列句子改写为现在进行时态:
- He plays football every Sunday.
- They go to the cinema every week.
2. 将下列句子改写为被动语态:
- We cooked dinner for our guests.
- She wrote a letter to her friend.
六、教学反思
本节课通过时态和语态的复习,帮助学生巩固和提高语言运用能力。通过课堂练习和作业,可以检测学生对知识点的掌握程度。同时,教学过程中引导学生灵活运用时态和语态进行句子转换,培养学生的思维能力和创造力。
