六年级英语下册课件一、词类: 一、词类: 这里强调一点:不可数名词都默认为单数,所以总是用is 1 )名词复数如何加后缀(各种不同情况变化) A. 一般情况直接加-s book-booksbag-bagscat-catsbed-beds B. 以s.x.sh.ch 结尾加-es :bus-busesbox-boxesbrush-brushes watch-watchespeachpeachesglassglasses C. 以“辅音字母+y” 结尾变y 为i, 再加-esfamily-familiesstudystudies D. 以“f 或fe” 结尾变f 或fe 为v ,再加-esknife-knives E. 不规则名词复数man-menwoman-womenpoliceman-policemen policewoman-policewomenmouse-micefoot-feetchild-children fish-fishChinese-Chinese练习 写出下列各词的复数 I_him_this _her_ watch_child_photo _diary_ day_fo