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《Grammar》公开课教案优质课下载

To learn the meaning of traffic signs.

Ⅱ.Teaching procedures

Step1. Revision

Check the answers to the Vocabulary Exercises in the Workbook.

Step2. Leading--in

Show a small video with the students and lead to the grammar in this module.

Step 3. Grammar

Show the students some pictures and know their meanings.

Ask students to finish Activity 1 on page 16 to let them know about the usage of the imperatives.

Present students the grammatical rules of the imperatives.

(1) 用于表达命令、请求、劝告、警告、禁止等的句子叫做祈使句,祈使句最常用于表达命令。祈使句因对象(即主语)是第二人称,所以通常都省略。祈使句的动词都为一般现在时,句末则使用句号来表示结束。如:

Go and wash your hands. (去洗手。——命令)

Be quiet, please.(Please be quiet.) (请安静。——请求)

Be kind to our sister. (对姊妹要和善。——劝告)

Watch your steps. (走路小心。——警告)

Look out!Danger! (小心!危险!—强烈警告)

Keep off the grass. (勿践草坪。——禁止)

祈使句也常把主语“You”表达出来,使对方听起来觉得柔和些,如:

You go and tell him, Chris. (克立斯你去告诉他。)

(2) 表现形式

◆ 肯定结构:

① Do型(即:动词原形(+宾语)+其它成分)。如:

Please have a seat here. 请这边坐。

有的祈使句在意思明确的情况下,动词可省略。如:

This way, please. = Go this way, please. 请这边走。