还剩2页未读,继续阅读
文本内容:
小升初英语常考语法知识归纳3 一般现在时的构成
1.be动词主语+beam,is,are+其它如 I ama boy.我是一个男孩
2.行为动词主语+行为动词+其它如We studyEnglish.我们学习英语 当主语为第三人称单数he,she,it时,要在动词后加-s或-es如Mary likesChinese.玛丽喜欢汉语 动词+s的变化规则
1.一般情况下,直接加-s,如cook-cooks,milk-milks
2.以s.x.sh.ch.o结尾,加-es,如guess-guesses,wash-washes,watch-watches,go-goes
3.以“辅音字母+y”结尾,变y为i,再加-es,如study-studies 动词过去式详解动词的过去式的构成规则有 A、规则动词
①一般直接在动词的后面加ed如 worked,learned,cleaned,visited
② 以e结尾的动词直接加d如 lived,danced,used
③以辅音字母加y结尾的动词要改y为i再加ed此类动词较少如 study–studied carry–carried worry– worried注意play、stay不是辅音字母加y,所以不属于此类
④双写最后一个字母此类动词较少如 stopped B、不规则动词此类词并无规则,须熟记小学阶段要记住以下动词的原形和过去式sing–sang,eat–ate, see–saw,have–had,do–did,go–went,take–took,buy–bought,get–got,read–read ,fly–flew,am/is–was, are–were,say–said,leave–left,swim–swam,___–told,draw–drew,e–came,lose –lost,find–found,drink–...。