to do不定式公開課PPT學(xué)習(xí)教案

1、會計學(xué)1to do不定式公開課不定式公開課nto第1頁/共37頁Step 1 基本形式和否定形式基本形式和否定形式肯定式肯定式: to do 否定式否定式: not to donot to give upnot to take care of第2頁/共37頁動詞不定式的時態(tài)和語態(tài)動詞不定式的時態(tài)和語態(tài)I opened the door to enter the room. . 一般式一般式( to do /to be done).不定式的一般式所表示的不定式的一般式所表示的動作（狀態(tài)）同時（或幾動作（狀態(tài)）同時（或幾乎同時）發(fā)生，或之后發(fā)乎同時）發(fā)生，或之后發(fā)生。生。Step 2第3頁/共37

2、頁.進行式進行式( to be doing)They seemed to be talking about something secret when I came in.如果謂語表示的動如果謂語表示的動作（情況）發(fā)生時作（情況）發(fā)生時，不定式所表示的，不定式所表示的動作正在進行。動作正在進行。第4頁/共37頁. 完成式（完成式（to have done/to have been done)2. Im pleased to have been given this chance.1. You seemed to have read the novel written by Mr. Smith.

3、如果不定如果不定式的動作式的動作發(fā)生在謂發(fā)生在謂語之前。語之前。如果不定式的邏輯主語是不定式所表如果不定式的邏輯主語是不定式所表示的動作的承受者，不定式要用示的動作的承受者，不定式要用被動被動形式形式.第5頁/共37頁語態(tài)語態(tài)時態(tài)時態(tài)主動語態(tài)主動語態(tài)被動語態(tài)被動語態(tài)一般時一般時 進行時進行時完成時完成時 小小 結(jié)結(jié)to doto be doneto be doing/to have done to have been done第6頁/共37頁1.Hello! Its good _ (see) you again.2.Bye-bye, Im glad _ (see) you. 3.They pr

4、etend _(work) hard when the teacher came in.4.The girl students is said _ (send) abroad last week.5.All the students in our class have entered for the sports-meeting _ (hold) next week.第7頁/共37頁1. Its important for us to learn English well.2. Its wise/kind of him to help the poor.第8頁/共37頁To do like t

5、hat is foolish.I want to see you this evening.All you have to do is to finish it quickly.We found a house to live in.She came here to study English. I warned the patient not to eat cold water after the operation. 主語主語 賓語賓語表語表語 定語定語 狀語狀語 賓補賓補Step 4 Step 4 不定式的用法不定式的用法第9頁/共37頁作主語作主語_is our duty._is ri

6、ght= It is right to give up smoking.1.幫助你是我們的職責(zé)。幫助你是我們的職責(zé)。2. 放棄吸煙是對的。放棄吸煙是對的。不定式短語作主語時，如果不定式短語作主語時，如果主語如果太長，主語如果太長，常常用用it 作形式主語，真正的不定式主語后置。作形式主語，真正的不定式主語后置。To help you To give up smoking第10頁/共37頁作主語作主語。一般用不定式做主語的句型 It +be +adj./n. + for sb. to do sth/ of sb to do sthIt +take +sb +time + to do sthIt

7、+cost +sb +money + to do sth第11頁/共37頁動詞不定式動詞不定式作賓語作賓語動詞動詞 + to do動詞動詞+疑問詞疑問詞 + to do 動詞（動詞（ think, consider, make, believe等) + it+賓補賓補 +to do常見動詞有常見動詞有 afford, agree, arrange, ask, decide, demand, plan desire, expect, hope, learn, manage, offer, pretend, promise, refuse, wish, prefer, happen, intend

8、, fail等等I dont know what to do .I find it important to learn English.第12頁/共37頁第13頁/共37頁第14頁/共37頁第15頁/共37頁動詞不定式動詞不定式作賓補作賓補動詞動詞 + 賓語賓語 +to do 動詞動詞 + 賓語賓語 + do Li Mei asked me to show her the new dictionary .注：有以上結(jié)構(gòu)的常用動詞有注：有以上結(jié)構(gòu)的常用動詞有 tell. wish, ask, want , like, beg, invite,warn, allow,encourage,advi

9、se 等。等。(不帶不帶 to 的不定式的不定式) 注：常用的動詞是：感官動詞注：常用的動詞是：感官動詞see, hear, feel, watch, notice； 使役動詞使役動詞 have ,make,let.第16頁/共37頁在在feel, hear, listen to, look at, notice, observe, see, watch, have, let, make 等詞后的補足語中，不定式不帶等詞后的補足語中，不定式不帶to。但。但 是這些句子如果變成被動結(jié)構(gòu)時，就必須帶是這些句子如果變成被動結(jié)構(gòu)時，就必須帶to。Eg. I often hear him sing th

10、e song. He is often heard _the song. 注意 allow, ask, advise, encourage, expect, forbid, force, get, would like, order, permit, persuade, teach, tell, want, warn, wish( (構(gòu)成構(gòu)成“V.+ Sb.+ to doV.+ Sb.+ to do”的形式的形式) )to sing賓補賓補第17頁/共37頁 請求與命令請求與命令 想要邀請期待鼓勵與建議想要邀請期待鼓勵與建議 答應(yīng)告誡允許提醒和幫助答應(yīng)告誡允許提醒和幫助第18頁/共37頁第19

11、頁/共37頁第20頁/共37頁第21頁/共37頁作表語作表語My job is_To see is_.1. 我的工作是教英語。我的工作是教英語。2. 眼見為實。眼見為實。to teach English.to believe第22頁/共37頁作定語作定語（必須后置）（必須后置） 1. Betty was the first/the last to come to school.2. We ll attend the meeting to be held next week.3. I have a child to look after at home. Do you have anything

12、 to say. Its a good school to study in.(具有邏輯上具有邏輯上的主謂動賓關(guān)系）的主謂動賓關(guān)系）第23頁/共37頁nHe had no place to live注意 第24頁/共37頁作狀語作狀語He spoke loudly (so as / in order) to be heard.They jumped with joy to hear the news.Im too tired to walk any further tonight.目的狀語目的狀語.原因狀語原因狀語.結(jié)果狀語結(jié)果狀語第25頁/共37頁He went home _ his key

13、What have I said _you happy?We are proud _the football matchto getto maketo have won目的狀語目的狀語.原因狀原因狀語語.結(jié)果狀語結(jié)果狀語Consolidation(p20)第26頁/共37頁 在學(xué)習(xí)動詞不定式的時候還有在學(xué)習(xí)動詞不定式的時候還有兩點兩點要注意哦要注意哦！1、在、在感官動詞感官動詞和和使役動詞使役動詞后作賓補時，不定后作賓補時，不定式要式要省略省略to,但以上詞變?yōu)榈陨显~變?yōu)楸粍诱Z態(tài)被動語態(tài)時，要時，要加上加上to, 如如I always saw her play violin .He was

14、made to work 12hours a day.第27頁/共37頁1. The question is hard to answer.=its hard to answer the question.(位置互換）2. I have some books to read. I have a room to live in. Give me sth to drink.(同時滿足主謂上的動賓關(guān)系）3. Nobody was to blame for the accident.4. The question is what to do next.5. I cant go out to play

15、with much work to do.注意：I have some letters to post. （p20) I have some letters to be posted. 第28頁/共37頁 保留to到為止 to后有be,have,要保留1. I havent been to American, and I wish to.2. -Are you on holiday? - no, but I would like to be.3.-Has Tom finished his homework? - He seems to have. 第29頁/共37頁第30頁/共37頁第31頁/共37頁第32頁/共37頁第33頁/共37頁1. My mother often asks me _ some cleaning on Sundays A do B. does C. did D. to do 2. Do you often hear John _in his room ? Listen! Now we can hear him