一般地加S work---works 以s,x,sh,ch,o(有生命的）加es 以辅音字母加Y结尾，变Y为I加es 重读闭音节以辅音字母结尾，双写辅音字母加es 有不规则的 （v三单)
动词的第三人称单数形式（简称单三式）1．一般在词尾加“-s”help-helps make-makes ride-rides know-knows 2．在s z x sh ch 结尾的词在词尾加“-es”push-pushes pass-passes watch-watches wash-washes 3．以“元音字母＋y”结尾时，加“-s”；以“辅音字母＋y”结尾时，变 y为i，再加...
payed,plays swam,swims read,reads wrote,writes ate,eats drank,drinks took,takes flew,flies walked,walks sit,sits bought,buys drove,drives
run ran run talk talked talked speak spoke spoken listen ~ed ~ed play ~ed `~ed look ~ed ~ed think thought thought break broke broken go went gone find found found study studied studied read~ ~ climb climbed climbed sit sat sit take took taken see saw seen begin ...
现在分词形式：sleeping 第三人称单数形式：sleeps 过去式：slept "bug":现在分词形式：bugging 第三人称单数形式：bugs 过去式：bugged "eat":现在分词形式：eating 第三人称单数形式：eats 过去式：ate "feel":现在分词形式：feeling 第三人称单数形式：feels 过去式：felt 需要注意的是，这些动词的变化...
b） 在以不发音的e 结尾的动词后，去掉e，再加- ing。eg. come – coming live – living dance – dancing make – making c）在闭音节的单音节动词后、以重读闭音节结尾的多音节动词，而末尾只有一个辅音字母时，将这个辅音字母双写（x除外），然后再加 –ing.sit – sitting; run – ...
动词单数第3人称需要加S，这是一般现在时动词第三人称单数的基本规律，如果是过去式只需要加ed无需考虑第3人称单数形式。 eg：He likes playing basketball. She opened the door and took her basketball.
meeting,met,met,putting,put,put,sitting,sat,sitten,taking,took,taken,working,过去式为worked或wrought，过去分词为worked或wrought，writing,wrote,written
所谓动词的三单,即指动词的第三人称单数形式.当主语是每三人称单数时,谓语动词要用相应的三单 形式.规则同名词变复数 1.直接在词的末尾加s,reads,sits,stands 2.以s,x,sh,ch结尾的在词尾加es,watches,brushes 3.以o 结尾的加es ,go-goes ,do -does 4.以辅音字母加y结尾的，变y 为i 再...
现在分词的词尾“-ing”发[!R]音，并自成一个音节，所以单音节动词的词尾加了“-ing”便成为双音节词，也就有重音，例如：rain[T-!Q] →raining[>T-!Q!R] （下雨）（3）过去式和过去分词 （a）原形动词词尾+“ed”。rain[T-!Q] →rained[T-!QD] （下雨）walk[V&：E] →walked[V&...