什么是三单,动词如何变三单??答:一般现在时主语单三人称时的动词变化 ①在一般现在时中,当主语为第三人称单数时,动词要用“s”型(即第三人称单数形式).②所谓动词“s”型的构成,可按名词变复数的规则来记,即:(1)在动词尾直接加 s.如:play—plays, want—wants, work—works, know—knows, help—helps,get—gets (2)以...
take,tell,thank,think,want,watch,work,write的单三,现在分词,过去式...答:take:takes,taking,took tell:tells,teling,told thank:thanks,thanking,thanked think:thinks,thinking,thought want:wants,wanting,wanted watch:watches,watching,watched work:works,working,worked write:writes,writing,wrote