Grammar and usage---教案

Teaching aims: learn the verb-ing and verb-ed used as an attribute or as an adverbial .

Important and difficult points: the verb-ing and verb-ed used as an attribute or as an adverbial.

Period one

Step 1.Ask Ss to read Parts1 and 2.

Step 2. Practice (Deal with Part A ).

Step 3. Go through Parts 3, 4 and 5.

Step 4. Deal with Part B.

Step 5. Exs (C1 and C2 of Page 128 in Workbook).

Step 6. Homework: Go through the paper and finish off the exercises of it.(15m)

Period Two

Step1.分词作定语。

分词作定语时有下面几个特点：

A.现在分词表示主动意义，过去分词一般表示被动含意。

B.现在分词表示正在进行，过去分词表示状态，或己做完(完成)的事。

例如：He rushed into the burning house.他冲进了正在燃烧着的房子。

The child standing over there is my brother.站在那儿的男孩子是我弟弟。

The room facing south is our classroom.朝南的房间是我们的教室。

Have you got your repaired watch?你拿到那个修好的表了吗?

He is an advanced teacher.他是个先进教师。

Step2.分词作状语

1.分词和分词短语作状语时，可以表示时间、原因、条件、让步、方式和伴随情况。在表示时间、原因、条件、让步和方式时，通常可转换为相应的状语从句，表示方式和伴随情况时，可以转换为一个并列的谓语成分。

例如：Seeing the teacher entering the room, the students stood up.(=When the students saw the teacher entering the room, they stood up.)学生们看见老师走进房间，都站了起来。

Heated, ice will be changed into water.(=When it is heated...)当冰加热时，它就会变成水。(条件、时间)

Being excited, I couldn't go to sleep.(=As I was excited, I couldn't go to sleep.)我兴奋得睡不着觉。(原因)

I stood there, listening to the broadcast.(=I stood there and listened to the broadcast.)我站在那儿听广播。(伴随)

The children went away laughing.(=The children went away. They laughed as they went.)孩子们笑着走开了。(行为方式)