一、原形、過去式和過去分詞的詞形和讀音都相同的單詞,結尾字母一般是t或d。如: cut-cut-cut, hit-hit-hit, put-put-put, cost-cost-cost, let-let-let, shut-shut-shut, set-set-set, hurt-hurt-hurt, spread-spread-spread 特殊:動詞read的過去式和過去分詞雖然詞形與原形一致,read-read-read,但發音分別是[ri:d]-[red]-[red]。 二、有些動詞的過去分詞與原形是一樣的。如: come-came-come, become-became-become, run-ran-run, overcome-overcame-overcome 三、有些動詞的過去式和過去分詞相同。如: 1. 把單詞結尾的字母d改為t。如: lend-lent-lent, spend-spent-spent, send-sent-sent 2. 改變單詞中間母音字母。如: sit-sat-sat, win-won-won, shine-shone-shone, hold-held-held 3. 以eep結尾的動詞,把eep改為ept。如: keep-kept-kept, sleep-slept-slept, sweep-swept-swept 4. 過去式和過去分詞都以augh或ough結尾的動詞。如: buy-bought-bought, fight-fought-fought, think-thought-thought, bring-brought-brought, teach-taught-taught, catch-caught-caught 5. 有的以ay結尾的動詞,在過去式和過去分詞中把ay變成aid。如: say-said-said, lay-laid-laid, pay-paid-paid 6. 另有一些其它形式的變化。如: have-had-had, learn-learnt-learnt, leave-left-left, lose-lost-lost, make-made-made, meet-met-met, feel-felt-felt 四、有些動詞原形中含有字母i,在過去式中變i為a,在過去分詞中變i為u。如: 五、以字母ow或aw結尾的動詞,在變成過去式時,通常把母音字母變成e,在變成過去分詞時,通常只在詞尾加n。如: blow- blew- blown, draw-drew-drawn, grow-grew-grown, throw-threw-thrown, know-knew-known 六、有些動詞的過去分詞是在原形詞尾加n或en,變成以en結尾的單詞。如: rise-rose-risen, give-gave-given, take-took-taken, fall-fell-fallen, drive-drove-driven, eat-ate-eaten 特殊: write-wrote-written, speak-spoke-spoken, ride-rode-ridden, get-got-gotten
一、原形、過去式和過去分詞的詞形和讀音都相同的單詞,結尾字母一般是t或d。如: cut-cut-cut, hit-hit-hit, put-put-put, cost-cost-cost, let-let-let, shut-shut-shut, set-set-set, hurt-hurt-hurt, spread-spread-spread 特殊:動詞read的過去式和過去分詞雖然詞形與原形一致,read-read-read,但發音分別是[ri:d]-[red]-[red]。 二、有些動詞的過去分詞與原形是一樣的。如: come-came-come, become-became-become, run-ran-run, overcome-overcame-overcome 三、有些動詞的過去式和過去分詞相同。如: 1. 把單詞結尾的字母d改為t。如: lend-lent-lent, spend-spent-spent, send-sent-sent 2. 改變單詞中間母音字母。如: sit-sat-sat, win-won-won, shine-shone-shone, hold-held-held 3. 以eep結尾的動詞,把eep改為ept。如: keep-kept-kept, sleep-slept-slept, sweep-swept-swept 4. 過去式和過去分詞都以augh或ough結尾的動詞。如: buy-bought-bought, fight-fought-fought, think-thought-thought, bring-brought-brought, teach-taught-taught, catch-caught-caught 5. 有的以ay結尾的動詞,在過去式和過去分詞中把ay變成aid。如: say-said-said, lay-laid-laid, pay-paid-paid 6. 另有一些其它形式的變化。如: have-had-had, learn-learnt-learnt, leave-left-left, lose-lost-lost, make-made-made, meet-met-met, feel-felt-felt 四、有些動詞原形中含有字母i,在過去式中變i為a,在過去分詞中變i為u。如: 五、以字母ow或aw結尾的動詞,在變成過去式時,通常把母音字母變成e,在變成過去分詞時,通常只在詞尾加n。如: blow- blew- blown, draw-drew-drawn, grow-grew-grown, throw-threw-thrown, know-knew-known 六、有些動詞的過去分詞是在原形詞尾加n或en,變成以en結尾的單詞。如: rise-rose-risen, give-gave-given, take-took-taken, fall-fell-fallen, drive-drove-driven, eat-ate-eaten 特殊: write-wrote-written, speak-spoke-spoken, ride-rode-ridden, get-got-gotten