了解“第三人称单数”
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发布时间:2022-05-26 16:08
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时间:2023-10-26 13:21
1.一般在词尾加-s
2.以辅音字母加y结尾的单词改y为i再加-es(如story-stories,dictionary-dictionaries,study-studies)
3.以元音字母加y结尾的单词直接加-s(如stay-stays)
4.以o结尾的词一般情况加es(如potato-potatoes,tomato-tomatoes,do-does,go-goes,hero-heroes)某些现代英语产生的名词加-s( 如photo--photos)以o结尾,但结尾为两个元音字母的词加-s (如zoo-zoos)
5.以s,x,ch,sh结尾的词加-es(如box-boxes,fish-fishes,watch-watches)
6.动词不规则变化:have-has