通过师生互动，激发学生思维，并用学过的句子导入新课。

利用多媒体课件创设情景，直观地呈现单词，使学生在语境中理解单词。

T:Read the words aloud .

③Present the words in , on , under , behind using the objects .

T:Where is my book ? It’s on the desk .(Put a book on the desk .)

T:Where is my bag ?(Put a bag on the desk and ask this question .)

S1:It’s on the desk .

T:Where is my bag ?(To all the students)

Ss:It’s on the desk .

T:Where is my pen ? It’s in the pencil case .(Put a pen in the pencil case and ask .)

T:Where is my ruler ?(Put a ruler in the pencil case , too .)

S1:It’s in the pencil case , too .

T:Where is the ruler ?

Ss:It’s in the pencil case .

(Then learn the other two prepositions “under”, “behind” in the same way . )

④Present the words .

T:Now , please look at the screen , where is the ball in Picture 1 ?

S1:I think it’s in the box .

T:Where is the ball in Picture 2 ?

S2:It’s on the box .

T:Where is the ball in Picture 3 ?

S3:It’s behind the box .

T:Where is the ball in Picture 4 ?

S4:It’s under the box .

T:There are some pictures on the screen , please match the sentences and the pictures .

1: The cat is under the chair .

2: The cat is on the bed .

3: The cat is behind the door .

4: The cat is in the box .

5: The cat is next to the plant .

通过实物所在的位置直观地呈现乏味介词。

利用多媒体课件创设语言情景，准确呈现物品之间的位置关系，让学生在真实的情景中理解和掌握方位介词。

让学生把句子和图画匹配起来，巩固方位介词的用法。

这篇初中一年级上英语第四单元教案的内容，希望会对各位同学带来很大的帮助。

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