赖氏经典英语语法—介词4：behind, into, within, without

13.behind

在…之后 behind静态。 after常与动词连用，动态追逐。	there is a tree behind the house. she is standing behind the door.
落后 behind schedule 比预定时间落后。 on schedule 按预定时间。 ahead of schedule 比预定时间提前。	he always finishes his work behind schedule. we'll try to keep everything running on schedule. the train arrived ahead of schedule.

14.into

动词连用，进入……	走进教室，walk into the classroom. 跑进房间，run into the room. 与某人巧遇，run into + 人
转变成…… change/ transform/ turn a into b.将a转变成b。 translate a into b.将a翻译成b。	the witch transformed herself into a little girl. our homework today is to translate a chinese article into english.
be动词连用，热衷于… be into…	he is into classical music.

15.within

在…之内 空间/时间=in	within the country = in the country. within an hour = in an hour.
在…范围内	act within the law.

16.without

没有/无…	coffee without sugar 无糖咖啡。 without his help.
其他相关。 can do without…没有…也行 cannot do without…没有…就不行 it goes without saying that…不用说，…	I can do without money, but I can't do without your love. it goes without saying that money can't buy everything.