精选优质文档-----倾情为你奉上七年级英语上册语法点6——介词1.in; on; at用在时间词前，表“在” 1)at + 具体时刻 2)on + 具体某天（具体某天的上、下午等；星期词；以及上、下午词前有修饰词时） 3)in + 年、月、季节及一天中的某部分但注意：at night= in the night at noon at this / that time at Christmaseg. 1.___ the morning 2.___ Monday morning3. ___ a rainy evening 4. ___3:50 5.__ 20026.___ the morning of April 10 7.___ spring8.___ night 9.___ this time 10. ___ March另外注意：在时间词（morning , afternoon , evening ; Sunday…）前有last, next , this , that时，不再用介词. tomorrow, tonight前也不用介词eg. I will go(A) to the cinema(B) in(C) this evening.2. in , on , at 表地点：at一般指小地方；in一般指大地方或某个范围之内；on往往表示“在某个物体的表面”。
例如：eg. 1)He arrived ___Shanghai yesterday.2)They arrived ___a small village before dark.3)There is a big hole ____ the wall.4)The teacher put up a picture ____ the wall.3.in , on , to表方位 in(范围内)；on(范围外且接壤)；to(范围外但不接壤)可表示为下图的位置关系eg.1)Taiwan is in the southeast of China. 2)Hubei is on the north of Hunan. 3)Japan is to the east of China. cross: 动词“跨过，越过”=go across4. across: （表面）跨过through: （内部）穿过，贯穿 介词eg. 1)Can you swim _____ the river? 2)The road runs __________ the forest. 3) _____ the bridge, you’ll find a cinema.5. in + 时间段：与将来时连用after + 时间段：与过去时连用但after + 时间点：可与将来时连用。
1) I’ll leave _______ three o’clock.. That is, I’ll leave ________ about ten minutes. 2)They left _______ two weeks.6. in the tree(外加在树上的事物) on the tree(树上自身具有的花、果、叶等)in the wall(镶嵌在墙内部的事物)7. on the wall(墙表面的事物) 1) There is a map ___ the wall 2) There are four windows ___ the wall.8.by bike / bus / car / ship (单数且无冠词)但当这些交通工具名词前有其它修饰词时，则应使用相应的介词eg. by bike = on a(the; his) bike by car = in a(the ; her) car on: 在…（表面）上——接触9. over: 在…的正上方 above: 在…的斜上方 未接触 1) The moon rose ______ the hill. 2) There is a bridge _____ the river. 3) There is a book ______ the desk.10. between: 在（两者）之间 among :在（三者以上）之间 1)A big crowd of people were waiting for Li Lida on the beach. ________ them were his parents. 2)Tom sits ________Lucy and Lily.11.on与about : 关于 on用于较正式的演讲、学术、书籍等 about用于非正式的谈话或随便提及eg. He gave a talk ____ the history of the Party12. in front of :在…前面/方（范围外）= before in / at the front of:在……前部（范围内）1)There is a big tree _______ of the classroom.2)A driver drives _________ of the bus.类似区别：at the back of与behind13.with和in: 表示“用“ with: 指“用工具、手、口等” in: 指“用语言、话语、声音等” 1) Please write the letter ____ a pen. 2) Please speak ____ a loud voice.14. on a farm ; in a factory ; the girl in the hat ; leave for: 动身前往某地15.一些固定搭配：（1）介词与动词的搭配listen to , laugh at, get to, look for;wait for, hear from, turn on, turn off, worry about, think of, look after, spend…on…, 等。
2）介词与名词的搭配on time, in time, by bus, on foot, with pleasure, on one’s way to, in trouble, at breakfast, at the end of, in the end等3）介词与形容词的搭配be late for, be afraid of, be good at, be interested in, be angry with, be full of, be sorry for等二、常见方位介词短语（一）、由介词in构成的方位介词短语1、in the front 在前面 2、in the front row 在前排 3、in the back row 在后排 4、in the third row 在第三排 5、in front of... 在...前面（范围之外） 6、in the front of... 在...前部（范围之内） 7、in the middle在中间 8、in the street在街上 9、in the middle of...在中间 10、in the tree在树上（指飞鸟等外来物）（二）、由介词at构成的方位介词短语1、at the front of...在...所在范围的前一部分 2、at the back of...在...所在范围的后一部分3、at the foot of...在...脚下 4、at the top of...在...顶部5、at the end of...在...尽头 6、at the head of...在...前头7、at the（school）gate在（校）门口 8、at the station 在车站9、at No.2 Chang’an Road在长安路2号 10、at my uncle’s 在我叔叔家11、at home在家 12、at the doctor’s在医务室/在诊所（三）、由介词on构成的方位介词短语1、on the right/left在右（左）边 2、on one’s right/left在某人的右（左）边3、on the desk/table在课桌/桌上 4、on the right-hand/left-hand side在右/左手边5、on the blackboard在黑板上 6、on/in the wall在墙上/里7、on the paper在纸上 8、on the tree在树上（指树上长的，结的东西）三、其它介词构成的方位介词短语1、next to靠近/贴近 2、beside the desk在课桌旁 3、behind the door在门后 4、under the bed在床下 5、near the window靠近窗户 6、outside the gate在门外专心---专注---专业。