stand的过去式( )see第三人称单数( )ride现在分词( )hippo复数( )on反...答:standed sees riding hippo是hippopotamus的缩写,参照下面第3点.1.以O结尾的词,许多加es构成复数,特别是一些常用词如:heroes,potatoes,tomatoes,echoes,tornadoes,torpedoes,dominoes,vetoes,mosquitoes,Negroes,mangoes,buffaloes,volcanoes 但下面几类词只加s:1.以“元音+o”或“oo”结尾的词如:videos...
英语的行为动词,先写个原型在写个现在分词。急,谢谢答:有的以不发音的e字母结尾的动词,要去掉e再加-ing,比如:make-making, write-writing, skate-skating,close–closing, come-coming, make–making,take-taking,have-having,dance-dancing, smile-smiling,ride-riding,become-becoming, 若结尾的e 发音,就不能去掉,如:see-seeing 3。以重读闭音节...