题目内容
7.This is a marker.(变复数句)These are markers..
分析 这个是个标志.
这些是标志.
解答 答案:These are markers.分析原句,This is a marker,this的复数是these这些,is的复数是are是,marker的复数是markers,故答案是These are markers.
点评 一、规则的可数名词的复数变化规则:1.一般情况加 s:book--books mouth---mouths house---houses girl---girls
2.以 s、sh、ch、x结尾的加 es:class---classes box----boxes match----matches
3.辅音字母+y结尾的变 y为 i加es:city---cities country----countries party----parties factory----factories
4.以 o 结尾的词+es的只有以下词:heroes Negroes tomatoes potatoes zeroes/zeros
以 o 结尾并且词尾有两个元音字母+s radios,zoos,bamboos,(pianos,kilos photos)
5.以f,fe 结尾的 变f或fe为v+es:thief wife life knife wolf half leaf shelf
The thief's wife killed three wolves with some leaves and knives in half of her life.
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