M7M8 语法（重点难点用红色标明）常用介词辨析：表示空间关系的介词on/over/aboveon the table（接触）over the river（正上方不接触）above the horizon(不一定正上方且不接触)above sea level （可指温度或刻度）in/inside/amongin/inside the rooma house among the trees* Of those students, two are adopted.(数量概念“。。。中”)beside/near toHe sits beside the fire.Sit nearer (to) the fire!under/belowThe book you are looking for is right under your nose.(正下方,与 over 相反)I live below the mountain.(不一定正下方，与 above 相反)below sea level （可指温度或刻度）away from/offI fell off the ladder.There’s a bathroom off the main room.Keep off/away from the grass!He lives 1000 meters away from school.in front of/in the front ofIn front of my home runs a small river.Don’t sit in the front of the car.over/opposite/across/through/pastwalk over the street/climb over the mountainwalk across/over the street (穿过某一平面)There’s a bank across the street.（在。。。的对面）walk through the gate/the crowdwalk past a shopopposite the shop表示时间的介词in/afterWe’ll meet again in two weeks.We started out for the USA on July the first and after 20 houses, we arrived at LA Airport.After graduation, I’ll find a job to make money.（可以跟时间点）Since/ForI’ve been learning English for 20 years.It’s 20 years since I started learning English.By/Before/untilI’ll be back before 6:0 p.m..Supper will be ready by 6:0 p.m..They have finished 10 projects by the end of the term.I’ll work here until 6:0 p.m..The work won’t be finished by/until tomorrow.（终止性动词的否定式里 by/until 都可以用）in/within/between/duringMany traffic accidents happened within/during the past week. （在某段时间范围内）I can't tell you at the moment, but I’ll let you know in a few days.（在若干时间后）I ...
