核心过去式/过去完成时Past tense / past perfect
动词过去式 常规 do - did - done be/am/is/are - was/were - been will - would can - could shall - should may - might have(has)— had—had 日常 看 look - looked - looked see - saw - seen find - found - found 听 hear - heard - heard 说 say - said - said tell - told - told talk - talked - talked 其他动作 think—thought—thought buy— bought—bought pay—paid—paid feel—felt— felt make—made—made understand—understood—understood give—gave—given choose—chose—chosen write—wrote—written come—came—come run— ran—run go - went - went know - knew - known get - got - gotten 来源: https://www.cnblogs.com/vhyc/p/12286970.html