be(am, is, are)was/ were been是
bear[bε?]bore[b?:]born/borne[b?:n]负担, 忍受do[du:, du:]did[did]done[d?n]做
fly[flai]flew[flu:]flown[fl?un]飞
go[ɡ?u]went[went]gone[ɡ?n]去
lie[lai]lay[lei]lain[lein]躺
wear[wε?]wore[w?:]worn[w?:n]穿
