八上英语第三单元第一课时教案

Unit 3  I’m more outgoing than my sister.

Section A 1a—2d

一．Studying aims

1.To learn some new words and phrases.

2.To learn the usage of comparative.

3.To describe some one and compare them 

二.Important  points：

1) 形容词或副词比较级形式的构成。

2) 表示两者进行比较的句式结构。

三. Difficult points：

 He has shorter hair than Sam.

  Is Tom smarter than Tim?

  She also sings more loudly than Tara.

四．Teaching process

Ⅰ. Lead-in

1. Ask Ss to write down as many adj. about people as possible. Check the adj. Ss write and we can group them into some pairs, like: [Section A 1a]tall --- short;  thin --- heavy,  long hair --- short hair,  calm --- wild …

　Give Ss an example by comparing Old Henry and Santa Claus.

　e.g. Santa Claus is older than Henry. Henry is taller than Santa Claus.

Henry is younger than Santa Claus. Santa Claus is younger than Henry.

Ⅱ. Presentation

Ask Ss to see the pix about apples and pears to see the differences. Then compare some of their things with each other.

　e.g. The apples are bigger than the pears.

The pears are more delicious than the apples. 

Summarize the Comparatives. Group competition.  

A + be(V)  + 比较级 + than + B.

Ⅲ.  Game (I and my desk mate)  

Ask Ss to compare with their partners and find out the differences.

e.g.  She is heavier than me. I am more outgoing than her.

        She gets up earlier than me. I run faster than her.

Ⅳ. Listening

Then listen to the recording. Ask Ss to number the twins.

Check the answers.  

Ⅴ. Pair work

Point out the sample conversation in activity 1c.

Say, now work with a partner. Make your own conversation about the twins.

Ask several pairs to say one or more of their conversations. 

Ⅵ. Listening

1. Work on 2a:

Point out the two columns and read the headings: -er, -ier and more. Then point out the words in the box. Read them.

Say, now listen and write the –er and –ier words in the first column and the words that use more in the second column. 

Play the recording and check the answers.

2. Work on 2b.

Point out the picture and the two boxes with the headings Tina is and Tara is.

Say, listen to the recording. Write word in the boxes. The words are from the list in activity 2a.

Play the recording and check the answers.

Ⅶ.2d,role play the conversation.

1. Ss read the conversation.then let them act it out .

2. Let Ss read and translate the conversation.

Exercises.写出下列词的比较级。

1.tall                                     6.popular

2.Long                                    7.lazy

3.Small                                   8.smart

4.Heavy                                  9.good

5.Outgoing                                10.much/many