1、Look at this picture,what can you see?There are some apples on the tree.There is a bird in the tree.There are some strawberries and flowers under the tree.一、定义一、定义 介词是一种用来表示:词与词,词与句之间的关系的词，在句中不能单独作句子成分。二、分类二、分类时间介词时间介词地点介词地点介词方式介词方式介词其他介词（方法、原因、目的）其他介词（方法、原因、目的）1in年、月、季节及时间段（早、午、晚）年、月、季节及时间段（早、午、晚）o
2、n具体某一天，星期、节日具体某一天，星期、节日at钟点、节日、（一段时间）的起点钟点、节日、（一段时间）的起点 in the morning/afternoon/evening on Monday in January/February on January fifth in Spring on Christmas Day in 2014 on New Years Day in 2 days/weeks/years on Sunday morning at dawn/daybreak at six at midnight at 4:30 at sixteen/at the age of six
3、teen at ChristmasLets try!1.Mygrandfatherwasborn_Oct.10,1935.A.on B.in C.at D.of 2.Thetrainisstarting_fiveminutes.A.in B.at C.for D.still 3.Mikedoeshisexercises_seven_theevening.A.on;toB.at;inC.by;ofD.at;on 4.Childrengetgifts_Christmasand_theirbirthdays.A.on;onB.at;onC.in;inD.in;on 5.Thereisnothing_
4、tomorrowafternoon,isthere?-No.Wecanhaveagameoftabletennis.A.onB.inC.outD.up for一段时间一段时间over 在某个时间一直在某个时间一直.(.(连续的状态连续的状态,行为等行为等)某个时间点上发生或做了某事某个时间点上发生或做了某事(间断的或一次性的状态或行为间断的或一次性的状态或行为)during for 2 days over a five-year period for a long time over many years for a couple of weeks over night Theyve been
5、 married for 10 years.during the Middle Ages during 1942 在1942年中 during the summer（of that year）during his childhood Lets try 1.He fell asleep _ the lesson.他在上课时睡着了。2.The fish will not keep _ night.这条鱼放不到明天(就会变质)3.He _ a lot of great movies over these years.A.has made B.made C.was making D.was made
6、4.Id like to call on my uncle _my stay in Beijing this summer.In other words,I can see my uncle again _the summer.A.during;during B.in;in C.during;in D.in;during 5.There was a terrible storm_the night;it rained_four or five hours.A.during;during B.during;for C.for;for D.for;during overduring“by+“by+
7、时间点时间点”表示表示“到到.以前为止以前为止”，如果如果byby后加后加“将来的时间点将来的时间点”，应用一般将，应用一般将来时；如果来时；如果byby后跟过去的时间点，应用过去后跟过去的时间点，应用过去完成时完成时 用于否定句中，意为用于否定句中，意为“直到直到才才”，在，在其前的谓语动词多用瞬间动词；其前的谓语动词多用瞬间动词；用在肯定用在肯定句中意为句中意为“直到直到为止为止”，其前的谓语动，其前的谓语动词需用延续性动词词需用延续性动词 By the end of next month,I will finish reading this book By the end of this
8、 week,I have written two books I didnt go to bed until 10 oclock.I waited for my mother until 10 oclock.till/untilbybefore在在（时间）之前，但（时间）之前，但 不包括当日不包括当日after在在（时间）以后（时间）以后from 用于一般过去用于一般过去、一般、一般现在现在或一般或一般将来时将来时since主要用于完成时或完成进行时主要用于完成时或完成进行时“自从”I went to the cinema befroe 7 p.m.yesterday.Mary often p
9、lay volleyball with her friends after school.We go to school from Monday to Friday.It is 10 years since they got married.in：某一地区之内的地方（在该范围之内）某一地区之内的地方（在该范围之内）to：某一地区之外的地方（在该范围之外）某一地区之外的地方（在该范围之外）on：与某一地区接壤的地方与某一地区接壤的地方Fujian is in the southeast of China.Xinjiang is in the northwest of China.Jiangsu
10、is in the east of China What about Taiwan?Taiwan is the southeast of China.2at一般指小地方；一般指小地方；at home at school at the station That man is standing at the bus stop.in一般指大地方或某个范围之内；一般指大地方或某个范围之内；in the factory in the room in the center of/in the middle of.on往往表示往往表示“在某个物体的表面在某个物体的表面”。on the bus on the
11、train on the subway/underground There is a book and a lamp on the desk.1.China lies _the east of Asia and _the north of Australia.A.in,on B.in,to C.to,in2.Mongolia(蒙古蒙古)is _the north of China.A.in B.on C.to3.The United States is _ the south of Canada and _ the east of Japan.A.to;in B.on;to C.in;besi
12、de D.at;on 4.Japan lies_ the east of China.A.on B.to C.in D.with Exercise in：某一地区之内的地方（在该范围之内）某一地区之内的地方（在该范围之内）to：某一地区之外的地方（在该范围之外）某一地区之外的地方（在该范围之外）on：与某一地区接壤的地方与某一地区接壤的地方TipJapan is to the east of China.South Korea is to the northeast of China.Russia is on the north of China.North Korea is on north
13、east of China.Learn and tryWhat about Sinapore?注：注：be+in/on/to 可用 lie+in/on/to代替across是指从是指从表面表面穿过穿过through则是指从物体则是指从物体内部内部穿过穿过 We should go across the road carefully.Three men went through the forest yesterday.over指指“正上方正上方”,”,还有还有“覆盖覆盖”的含义（反义词的含义（反义词under，“正下方正下方”)above指指“在上方在上方”但不一定在正上方但不一定在正上方(反
14、义词反义词below,“,“在下方在下方”)B is over A.D is above C.Spread a cloth over the table.The plane flew above the clouds.ABCDbetween.and in front ofnext to/besidebehindoppositein the front ofAB1.There is a bridge _ the river.2.There is a pen _ the book.3.It took the man 2 months to walk _ the desert.4.The third
15、 floor is _ the sixth floor.5.The sixth floor is _ the third floof.riverbridgethroughoverbelowaboveunder3 1.Millie sits _ me.2.Amy sits _ Millie _Simon.3.Kitty sits _ Sandy.4.Kitty sits _ Simon.5.The window is _ the door.6.The chalk is _ the teachers desk.in front ofbetweenandnext to/besidebehindopp
16、ositeon 1.His father is very angry_him his study.A.at，with B.with，at C.to，about D.about，to 2.Paper is made_wood.A.from B.of C.by D.in 3.The basket is full_apples.A.with B.of C.in D.by 4.Kate cant come.Lets ask wei Hua instead_her.A.of B.for C.to D.with 5.The heavy rain stopped me_getting to school o
17、n time.A.to B.from C.on D.for 6.When the red light is on，its dangerous to go_the street.A.acrossB.throughC.crossD.to7.Take a rest _ you finish the work.A.beforeB.afterC.untilD.while8.You cant pass the exam,_ you study hard.A.ifB.ofC.unless D.and9._our team tried best,_ we failed.A.Though,butB.Because,so C.If,and D.Though,/
