1、for表示走向“目的地”时的动词短语,如change for 倒车去某地,depart for 出发去某地,head for 走向某地, sail for乘船去某地等等

3、for有时含有“渴望”等之意,如expect for a visit to China,渴望 访问中国,wish for渴望,by dying for 渴望... gasp for 极力想要获得...等

5、介词短语for...表示时限或距离,如she stayed here for two weeks,她在这里逗留了两周, i havn't seen him for years, 我多年没见他了
