it用法在写作中的运用省公共课一等奖全国赛课获奖课件.pptx

第1页1.it作代词时使用方法；作代词时使用方法；2.it作形式主语和形式宾语；作形式主语和形式宾语；3.it引导强调句型；引导强调句型；4.it 固定短语和惯用句型固定短语和惯用句型5.it使用方法在写作中应用。使用方法在写作中应用。objectives第2页 It is cold today.It is a three minutes walk from classroom to the playground.I have a dictionary.It makes me smart.Think about what“it”refers to in the following sentences.Warm upHe smokes in bed and I dont like it.第3页.代代词（1）用作人称代词，代替前文提到过事物。）用作人称代词，代替前文提到过事物。The train has arrived.It arrived half an hour ago.（2）用以代替提醒代词）用以代替提醒代词this,that。Whats this?Its a knife.Whose watch is that?Its mine.（3）起指示代词作用，指一个人或事物。）起指示代词作用，指一个人或事物。Who is knocking at the door?Its me.（4）指环境情况等。）指环境情况等。It was very quiet in the library.（5）指时间、季节等。）指时间、季节等。What time is it?Its eight oclock.（6）指距离。）指距离。It is a long way to the school.第4页 necessary It+is/was+adj.important +to do sth./that从句从句 saidIt+is/was done known +that从句从句 suggested .形式主形式主语 ones dutyIt+is/was+n.a great honor+to do sth./that从句从句 思索：思索：当当形容词形容词为为 strange/natural/essential/important/desirable 等时等时 当当done为为required,suggested,demanded,recommended 等时等时 从句必须用什么结构？从句必须用什么结构？第5页1.To learn English well is important for us.2.That you missed the exciting football match is a pity.3.That we students should be kind to others is necessary.4.That 16 people were killed in the disaster was reported.1.It is important for us to learn English well.3.It is necessary that we students should be kind to others.2.Its a pity that you missed the exciting football match.To learn English wellThat you missed the exciting football match That we students should be kind to others That 16 people were killed in the disaster 4.It was reported that 16 people were killed in the disaster.把以下句子改写成把以下句子改写成 it 做形式主语句子：做形式主语句子：第6页 find possible think necessary +to do/doing/that从句从句 S+feel +it+important believe a rule/an honor .形式形式宾语6123标准：标准：6 个惯用动词个惯用动词 think/find/consider/make/feel/believe 1个形式宾语个形式宾语 it2种宾补形式种宾补形式 形容词形容词/名词名词 3种真正宾语形式种真正宾语形式 to do/doing/that从句从句第7页我们认为帮助他人很主要。我们认为帮助他人很主要。我们相信一直不停地学习是没用。我们相信一直不停地学习是没用。学校定了一条规则，开始上课时学生要起立。学校定了一条规则，开始上课时学生要起立。We think it important to help others.We believe it no use studying all the time.The school made it a rule that the students should stand up when class begins.用形式宾语用形式宾语it 翻译以下句子：翻译以下句子：第8页.强调句型句型 I saw him on the street last night.IIt was It was I I that/who saw him on the street last night.that/who saw him on the street last night.himIt wasIt was him him that/who I saw on the street last night.that/who I saw on the street last night.on the streetIt was It was on the streeton the street that I saw him last night.that I saw him last night.last nightIt was It was last nightlast night that I saw him on the street.that I saw him on the street.1.It is/was+被强调部分被强调部分+that/who.该句型是强调句型。将被强调部分放在前面，其它部该句型是强调句型。将被强调部分放在前面，其它部分置于分置于that that 之后。被强调部分能够是主语，宾语，表语或之后。被强调部分能够是主语，宾语，表语或状语。强调主语假如是人，状语。强调主语假如是人，that that 能够由能够由 who who 换用。换用。假如假如把这种句型结构划掉后，应该是一个完整无缺句子。这也把这种句型结构划掉后，应该是一个完整无缺句子。这也是判断强调句型与其它从句方法。是判断强调句型与其它从句方法。第9页=It was not until she took off her dark glasses that I realized she was a famous film star.I didnt realize she was a famous film star until she took off her dark glasses.直到她脱下墨镜，我才意识到她是著名电影明星。直到她脱下墨镜，我才意识到她是著名电影明星。2.It is/was not until+被强调部分被强调部分+that.第10页.it 固定短固定短语1.Believe it or not.信不信由你。信不信由你。2.Dont mention it.不用谢。不用谢。3.Make it.办得到，做成功。办得到，做成功。4.Take it easy.别着急，慢慢来；别过于担心。别着急，慢慢来；别过于担心。5.Its up to you.由你决定由你决定6.It/That(all)depends.那要看情况而定。那要看情况而定。7.Forget it.算了吧，别在意，没关系。算了吧，别在意，没关系。8.It doesnt matter.没关系。没关系。9.When it comes to 当谈到当谈到；当包括当包括 10.Thats it.对了，正是。对了，正是。第11页 今天今天是星期二，是星期二，能在此演讲是我一大荣幸能在此演讲是我一大荣幸。我主。我主题是题是“高二（高二（2 2）班，我爱你。）班，我爱你。”我们教室在一楼，我们教室在一楼，到操场很方便到操场很方便，所以在业余时，所以在业余时间，我们经常去那里锻炼身体。众所周知，间，我们经常去那里锻炼身体。众所周知，一直不停一直不停地学习是没好处地学习是没好处。简言之，我爱我们教室。简言之，我爱我们教室。而且，我也爱我同学。而且，我也爱我同学。我们认为助人为乐是很主我们认为助人为乐是很主要要。我们都很勤奋，。我们都很勤奋，天天早上天天早上7 7：2020我们在教室读英我们在教室读英语或语文，直到晚上语或语文，直到晚上1010点我们才离开教室点我们才离开教室。我们相信：。我们相信：是努力而不是智力决定成功是努力而不是智力决定成功。总之，总之，信不信由你信不信由你，高二（，高二（2 2）班是我校最好班）班是我校最好班级之一，级之一，让我引认为傲让我引认为傲。第12页形式主语形式主语 今天今天是星期二，是星期二，能在此演讲是我一大荣幸能在此演讲是我一大荣幸。我主题是我主题是“高二（高二（2 2）班，我爱你。）班，我爱你。”指时间指时间It is Tuesday today.Its my honor tomake a speech here.My topic is“I LoveYou,Class2,Grade2.”第13页It is no good/no use doing sth.It is convenient for sb.to do 我教室在一楼，我教室在一楼，到操场很方便到操场很方便，所以在业余时间，所以在业余时间，我们经常去那里锻炼身体。众所周知，我们经常去那里锻炼身体。众所周知，一直不停地学一直不停地学习是没好处习是没好处。简言之，我爱我教室。简言之，我爱我教室。My classroom is on the first floor.It isconvenient for us to go to the playground,so we often go there to take exercise in our spare time.As we all know,it is nouse studying all the time.In a word,Ilike my classroom.第14页形式宾语形式宾语 强调句中被强调部分强调句中被强调部分 而且，我也爱我同学。而且，我也爱我同学。我们认为助人为乐是很主我们认为助人为乐是很主要要。我们都很勤奋，。我们都很勤奋，天天早上天天早上7 7：2020我们在教室读英我们在教室读英语或语文，直到晚上语或语文，直到晚上1010点我们才离开教室点我们才离开教室。我们相信：。我们相信：是努力而不是聪明决定成功是努力而不是聪明决定成功。Besides,I also like my classmates.Wethink it important to help others.We arehard-working.It is at 7:20 every morningthat we read English or Chinese.And it isnot until 10:00 that we leave the classroom.We all believe:It is our efforts,not our intelligence,that determine our success!第15页固定结固定结构构 In short,believe it or not,Class2,Grade2 is one of the best classes in our school，and Im proud of it.高二（高二（2）班）班 总之，总之，信不信由你信不信由你，高二（，高二（2 2）班是我校最好）班是我校最好班级之一班级之一 ，让我引认为傲让我引认为傲。第16页 今天今天是星期二，是星期二，能在此演讲是我一大荣幸能在此演讲是我一大荣幸。我主。我主题是题是“高二（高二（2 2）班，我爱你。）班，我爱你。”我们教室在一楼，我们教室在一楼，到操场很方便到操场很方便，所以在业余时，所以在业余时间，我们经常去那里锻炼身体。众所周知，间，我们经常去那里锻炼身体。众所周知，一直不停一直不停地学习是没好处地学习是没好处。简言之，我爱我们教室。简言之，我爱我们教室。而且，我也爱我同学。而且，我也爱我同学。我们认为助人为乐是很主我们认为助人为乐是很主要要。我们都很勤奋，。我们都很勤奋，天天早上天天早上7 7：2020我们在教室读英我们在教室读英语或语文，直到晚上语或语文，直到晚上1010点我们才离开教室点我们才离开教室。我们相信：。我们相信：是努力而不是智力决定成功是努力而不是智力决定成功。总之，总之，信不信由你信不信由你，高二（，高二（2 2）班是我校最好班）班是我校最好班级之一，级之一，让我引认为傲让我引认为傲。第17页Dear teachers and students,It is Tuesday today.Its my honor to make a speech here.My topic is“I Love You,Class2,Grade2.”My classroom is on the first floor.It is convenient for us to go to the playground,so we often go there to take exercise in our spare time.As we all know,it is no use studying all the time.In a word,I like my classroom.Besides,I also like my classmates.We think it important to help others.We are hard-working.It is at 7:20 every morning that we read English or Chinese.And it is not until 10:00 that we leave the classroom.We all believe：It is our efforts,not our intelligence,that determine our success!In short,believe it or not,Class2,Grade2 is one of the best classes in our school，and Im proud of it.That all.Thank you.第18页Homework Find out the sentences including it in Module 5&6 and write down their usages.第19页It+will/may/must/might be+时间段时间段+before(普通现在时普通现在时)It+was+时间段时间段+before(过去时过去时)It wasnt+时间段时间段+before(过去时过去时)It is+时间段时间段+since(过去时过去时).Its(high)time that（should do/did)该到做某事时间了该到做某事时间了Its up to sb to do sth 做某事有某人决定做某事有某人决定It happens/appears/seems that 恰巧恰巧/似乎好像似乎好像It+is/was the first/second time that()It doesnt matter whether.不论不论/是否是否都没相关系都没相关系要过多久才要过多久才过了多久才过了多久才没过多久就没过多久就瞬间动词瞬间动词延续性动词延续性动词自从自从多久了多久了自从不自从不多久了多久了现在现在/过去完成时过去完成时第20页第21页