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use used 末尾只有一個(gè)輔音字母的 重讀閉音節(jié)詞,先雙寫這 個(gè)輔音字母,再加 —ed stop stopped plan planned trip tripped 結(jié)尾是“輔音字母 +y”的動(dòng)詞,先變“ y”為“ i”再加 —ed study studied carry carried 不規(guī)則動(dòng)詞表 Infinitive Past tense am is was are were begin begun break broke bring brought build built buy bought can could Infinitive Past tense catch caught e came do did draw drew drink