第三人称单数一般现在时中，当主语是第三人称单数he, she it单个称呼或人名时，即常在动词原形后加-s或-es。第三人称单数的用法1.人称代词he, she, it是第三人称单数。如：He likes watching TV.She has lunch at twelve.It looks like a cat.2.单个人名、地名或称呼作主语用第三人称单数。如：Han Mei looks like her mother.Beijing is in China.Uncle Wang often makes cakes.3.单数可数名词或this / that / the/ a +单数可数名词作主语时，是第三人称单数。如：A horse is a useful animal. This book is yours.That car is red. The cat is Lucys.4.不定代词someone, somebody, nobo
