郭嘉璐的回答：

  -A-A cost-cost -cost，cut-cut-cut， beat-beat-beat， hit-hit-hit， put-put-put， hurt-hurt-hurt， let-let-let， read-read-read， set -set-set。A-B-B babysit-babysat-babysat， forget -forgot-forgot，get-got-got，win-won-won，hang-hung-hung，hold-held-held，feed-fed-fed。meet-met-met，sit-sat-sat，find-found-found， spend-spent-spent，lend-lent-lent，make-made-made，lose-lost-lost，build-built-built，send-sent-sent，A-B-A run-ran-run，come-came-come，become-became-become，变字母组合，bring-brought-brought，catch-caught-caught， teach-taught-taught， think-thought-thought， fight-fought-fought， buy-bought-bought， stand-stood-stood，understand-understood-understood， fell-felt-felt， tell-told-told， spell-spelt-spelt， leave-left-left，sell-sold-sold， keep-kept-kept，sleep-slept-slept，sweep-swept-swept， lay-laid-laid，pay-paid-paid， say-said-said， hear-heard-heard，mean-meant-meant，learn-learnt-learnt，A-B-C，变元音组合。begin-began-begun，swim-swam-swum，drink-drank-drunk，ring-rang-rung，sing-sang-sung，fall-fell-fallen，do-did-done，drive-drove-driven，give-gave-given，write-wrote-written，take-took-taken，go-went-gone，eat-ate-eaten，ride-rode-ridden，draw-drew-drawn，fly-flew-flown，grow-grew-grown，know-knew-known，throw-threw-thrown，see-saw-seen，freeze-froze-frozen，speak-spoke-spoken，break-broke-broken，bear-bore-born，wear-wore-worn，am/is-was-been，are-were-been。 may-might，will-would，shall-should，can-could。 请采纳，谢谢