形态 时间 一般 进行 完成 现在 am/is/are cleaned am/is/are being cleaned have/has been cleaned　 形态 时间 一般 进行 完成 过去 was/were cleaned was/were being cleaned had been cleaned 将来 shall/will be cleaned shall/will have been cleaned 过去将来 should/would be cleaned [典题精选] [我来改正] [常设误点] [典题精选] [我来改正] [常设误点] 情况 变化规则 例词 一般情况 直接加-s work—works　learn—learns come—comes

　　play—plays want—wants

　　need—needs 情况 变化规则 例词 结尾为-s，-x，-sh，-ch或-o 在词尾加-es pass—passes discuss—discusses teach—teaches wash—washes fix—fixes go—goes 结尾为“辅音字母＋y” 变y为i再加-es carry—carries

　　cry—cries study—studies worry—worries 情况 变化规则 例词 一般情况 在动词后加-ed look—looked　watch—watched stay—stayed

　　expect—expected 以-e结尾的动词 后加-d hope—hoped　like—liked 情况 变化规则 例词 以“辅音字母＋y”结尾的动词 变y为i再加-ed study—studied　try—tried copy—copied

　　carry—carried 以重读闭音节或/r/音节结尾，词尾只有一个辅音字母时 双写词尾的辅音字母再加-ed stop—stopped clap—clapped plan—planned

　　prefer—preferred admit—admitted permit—permitted 情况 变化规则 例词 一般情况 在词尾直接加-ing work—working look—looking study—studying 以不发音的e结尾的动词 去e再加-ing have—having face—facing take—taking

　　write—writing 情况 变化规则 例词 以重读闭音节结尾，且末尾只有一个辅音字母 双写该辅音字母再加-ing cut—cutting　put—putting swim—swimming begin—beginning 以-ie结尾的动词 变ie为y再加-ing lie—lying　tie—tying die—dying

　　形态 时间 一般 进行 完成 现在 am/is/are cleaned am/is/are being cleaned have/has been cleaned　 形态 时间 一般 进行 完成 过去 was/were cleaned was/were being cleaned had been cleaned 将来 shall/will be cleaned shall/will have been cleaned 过去将来 should/would be cleaned [典题精选] [我来改正] [常设误点] [典题精选] [我来改正] [常设误点] 情况 变化规则 例词 一般情况 直接加-s work—works　learn—learns come—comes

　　play—plays want—wants

　　need—needs 情况 变化规则 例词 结尾为-s，-x，-sh，-ch或-o 在词尾加-es pass—passes discuss—discusses teach—teaches wash—washes fix—fixes go—goes 结尾为“辅音字母＋y” 变y为i再加-es carry—carries

　　cry—cries study—studies worry—worries 情况 变化规则 例词 一般情况 在动词后加-ed look—looked　watch—watched stay—stayed

　　expect—expected 以-e结尾的动词 后加-d hope—hoped　like—liked 情况 变化规则 例词 以“辅音字母＋y”结尾的动词 变y为i再加-ed study—studied　try—tried copy—copied

　　carry—carried 以重读闭音节或/r/音节结尾，词尾只有一个辅音字母时 双写词尾的辅音字母再加-ed stop—stopped clap—clapped plan—planned

　　prefer—preferred admit—admitted permit—permitted 情况 变化规则 例词 一般情况 在词尾直接加-ing work—working look—looking study—studying 以不发音的e结尾的动词 去e再加-ing have—having face—facing take—taking

　　write—writing 情况 变化规则 例词 以重读闭音节结尾，且末尾只有一个辅音字母 双写该辅音字母再加-ing cut—cutting　put—putting swim—swimming begin—beginning 以-ie结尾的动词 变ie为y再加-ing lie—lying　tie—tying die—dying