past: [13] Past originated simply as a variant spelling of passed, the past participle of pass. The earliest unequivocal examples of it are as a preposition, but its adjectival use followed in the 14th century, and by the 16th century it was being employed as a noun too (the past). => pass
past (adj.)
c. 1300, "done with, over," from past participle of passen "go by" (see pass (v.)). Past participle is recorded from 1798; past tense from 1813.
past (n.)
"times gone by," 1580s, from past (adj.).
权威例句
1. I must have driven past that place thousands of times.
我得有上千次开车经过那里。
2. When Myra told Karp she'd expose his past, he blew up.
当迈拉告诉卡普她会把他的过去全抖搂出去时,卡普大为光火。
3. They had almost reached the boat when a figure shot past them.
他们差不多快到船边时,一个人影从他们旁边飞奔而过。
4. In the past he dallied with actresses and lady novelists.
他过去曾与许多女演员和女小说家调情。
5. Go north on I-15 to the exit just past Barstow.