2009年上學期樊家廟中學九年級英語學科學教稿
主備教師 李柳貞 集體備課成員 王勇 學生姓名
備課時間 5月6日 集體研究時間 主管行政
教學內容 動詞不定式的形式和用法 課時安排 共1課時
教學目標 掌握動詞不定式的基本形式和用法
教學重點 動詞不定式的用法
教學難點 動詞不定式的用法
學法指導 講練結合
預習導學
閱讀八年級下冊有關動詞不定式的用法
課堂研討
一、動詞不定式分_______和___________兩種。帶to 不定式由_______構成，其否定形式為_______;不帶to不定式與______同形。
二、不定式的用法 動詞不定式在句中可作主語、賓語、賓補、表語 、定語、和狀語。判斷下列動詞不定式的用法：
1.To learn English is not an easy thing . ( )
2.It is our duty to learn the knowledge well.( )
3.He wants to visit Nanjing . ( )
4.I expect you to write to me .( )
5.To see is to believe .( )
6.Is there anything toeat ?( )
7.My little sister is too young to go to school .( )
8.My job is to plant cotton .
9.I asked him to show me his new dictionary .( )
10.He has no house to live in ( )
三、注意幾點
1.不定式作主語時，常用it 代替不定式結構，it被稱為形式主語，作為句子真正主語的不定式后置。常用句型：It’s +adj./n.+for /of sb. +to do sth.形容詞表示做事情怎樣用for 引出不定式的邏輯主語；形容詞表示人的特點或性質則用of引出不定式的邏輯主語。如：
It’s important _____us ____learn English well .
It’s very nice ______you _____help me .
___is hard to say .A.This B. It C.That
2. 常接不定式作賓語的動詞有want,hope ,refuse ,would like,help,decide,wish,plan,等等。
The teacher decided _________a speech at that time.
A. giving B.to give C.give
3. 不定式作定語與被修飾的詞是動賓關系，所以動詞要用及物動詞，如果為不及物動詞則要接介詞。
He is a man to depend on .(on不能省)
He has no house ____________
A. to live B.to live in C.live in
4. 常接不定式作賓語補足語的動詞有want,ask ,tell,wish,would like ,get,encourge, allow,invite等。但在使役動詞make ,let,have和感官動詞see,hear,watch,notice,feel等之后，要把作賓補的不定式結構中的to省略。
1)I often hear Tom ________in the next room.
A.sings B.sing C.singing
2)The teacher told the boys _________in the street.
A.not play B.not to play C.don’t play
3)The doctor often tells him_____________ more exercise
A to take B taking C taken D take
4) The teacher often tells Jim and John _____]too much time playing video games
A not to spend B to not spend C don’t D doesn’t spend
5) Linda was very sorry for being late. But the teacher’s smile made her _____better .
A feel B to feel C fall D to fall
5.疑問句+不定式
不定式可以和疑問詞who ,what,which,why,when,how,where等連用，構成“疑問詞+不定式”結構，通常用于 下列動詞之后：tell,teach,know,wonder,learn,show,find,out,ask,understand等等。
1).We are going for a picnic tomorrow.I’ll call Wendy to make sure ____
A.why to start B.when to start C.what to start D.which to start
2). The worker is teachiing us _______ mend the chair .
A how B how to C what to D when
3) Nobody knows _____ do tomorrow .
A where to B what to C how to
6. find,think等動詞之后接不定式+形容詞作賓補中，常用it 作形式賓語，
把不定式放在后面。
1)I find______very important to learn English well because it is an international langange now. A.it B.its C.that D.this
2)He found it hard ____ his class
A to catch up B catch up with C catch up D to catch up with
7.在 why not…? Will/Would you please (not)….? had better (not)…
等句型后用省略to的不定式。
Why not _____the bigger apple to your younger brother ?
A.giving B.to give C.give
You had better _______an umbrella.
A.take B.to take C.taking
8.多數動詞后跟動詞不定式或動名詞作賓語，句意基本相同，但下面幾個動詞后跟動詞不定式或動名詞時 句意完全不同。
(1) stop to do st