动词三单的变化规则

2024-01-27 13:54:10   文档大全网     [ 字体: ] [ 阅读: ]

#文档大全网# 导语】以下是®文档大全网的小编为您整理的《动词三单的变化规则》,欢迎阅读!
动词,变化,规则
动词三单的变化规则

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yi, 再加-es,如:study-studies be动词的过去式为was, were;行为动词的过去式有规则变化和不规则变化两种,规则变化有以下几种情况: 1)直接在动词原形末尾加-ed. . work-----worked; ask------asked; 2)以e结尾的动词只加-d. . arrive-----arrived; like-----liked.

3)末尾只有一个辅音字母的重读闭音节,应先双写这个辅音字母,再加-ed. . shop-----shopped;





4)"辅音字母+y"结尾的动词,先把y变成i,再加-ed. . carry----carried; study------studied. 有些动词变过去式是不规则的,.

fly------flew; break-----broke; teach-----taught. 这些需要像生单词一样记住.



现在分词的构成:

例词

现在分词构成规则

原形 现在分词

%



work working


一般动词+ ing visit visiting study studying

e结尾的动词,come e+ ing

"



live coming leave living

leaving

以重读闭音节或rstop stopping 音节结尾的动词,尾只有一个辅音字

begin beginning



母的词,要双写这个swim 辅音字母+ing

get



swimming

refer getting

referring

ie结尾的重读开die 音节动词改iey+ing

tie

tying dying


本文来源:https://www.wddqxz.cn/a58c327d3386bceb19e8b8f67c1cfad6195fe9a4.html

相关推荐