推荐回答(5个)
一般现在时的肯定句中,主语为第三人称单数的动词变化主要体现在词尾的变化上,其规律大体有三点:\x0d\x0a\x0d\x0a (1) 一般情况下由动词后加-s构成。如work / works\x0d\x0a (2) 以s, x, z, sh, ch 以及字母o结构的动词,后加-es:\x0d\x0a guess / guesses, mix / mixes, go / goes, buzz / buzzes, finish / finishes, catch / catches等。\x0d\x0a (3) 以辅音字母加y结尾的动词,应将y改为i 再加-es:fly / flies, study / studies\x0d\x0a等。\x0d\x0a 【注】①有个别的变化不规则,如have / has, be / is等。\x0d\x0a ②\x0d\x0a 词尾-s和-es 读音规则是:在s, x, z, sh, ch 后的es读作[iz],其余的读作[z]
变化规则
首先,咱们要搞清楚第一、第二、第三人称各是什么。第一人称就是“我”和“我们”。第二人称是“你”和“你们”。第三人称单数是“他”、“她”和“它”,复数则是“他们”。中文中第三人称单数的三个“他”写法不一样,读音却相同。但在英语中,三个“他”既有不同的读音,也有不同的写法,分别是he, she, it。在第三人称后不能使用动词的原形,而要在相应的动词后加s或es。简单地讲,一个人就是单数,多于一个人就是复数。在咱们汉语里,第三人称复数也就是常说的“他们”或者“她们”,英语中就是they.
而你问的“第三人称单数”就是指的“他”,“她”或者“它”,在英语中,相对应的就是he,she和it
句子举例: 第三人称单数: He is a student. (他是学生) 第三人称复数: They are students.(他们是学生) 以上只是一种帮助你理解的简单回答,第三人称还包括一些其他的方面,比如“it”等,这里就不多说了,希望你在学习中多多体会。 在一般现在时中,当主语是第三人称单数时,谓语动词要用第三人称单数形式,即常在动词原形后加-s或-es。 下面我们归纳一下第三人称单数的用法: 一、人称代词he, she, it是第三人称单数。如: He likes watching TV. 他喜欢看电视。 She has lunch at twelve. 她十二点吃午餐。 It looks like a cat. 它看起来像只猫。 二、单个人名、地名或称呼作主语;是第三人称单数。如: ①Han Mei looks like her mother. 韩梅看起来像她的母亲。 ②Beijing is in China. 北京在中国。 ③Uncle Wang often makes cakes. 王叔叔经常做蛋糕。 三、单数可数名词或"this/that/the+单数可数名词"作主语时,是第三人称单数。如: ①A horse is a useful animal. 马是有用的动物。 ②This book is yours. 这本书是你的。 ③That car is red. 那辆小汽车是红色的。 ④The cat is Lucy's. 这只猫是露茜的。 四、不定代词someone, somebody, nobody, everything, something等及指示代词this, that作主语时,是第三人称单数。如: ①Everyone is here. 大家到齐了。 ②There is something wrong with the watch. 这块手表有毛病。 ③This is a pen. 这是一支钢笔。 ④That is an eraser. 那是一块橡皮擦。 五、不可数名词作主语时为第三人称单数。如: ①The milk is in the glass. 牛奶在玻璃杯里。 ②The bread is very small. 那面包很小。 六、当数字或字母作主语时,看作第三人称单数。如: ①"6" is a lucky number. "6"是个吉利数字。 ②"I" is a letter. "I"是个字母。
情况方法示例一般情况
+s play—plays
以s、x、ch、sh和o结尾
+es go—goes 以辅音字母加y结尾
变y为i +es study—studies
以f或者fe结尾 变f或fe为v+es life—lives
特殊情况 不规则 have—has
一般现在时的肯定句中,主语为第三人称单数的动词变化主要体现在词尾的变化上,其规律大体有三点:
(1) 一般情况下由动词后加-s构成。如work / works
(2) 以s, x, z, sh, ch 以及字母o结构的动词,后加-es:
guess / guesses, mix / mixes, go / goes, buzz / buzzes, finish / finishes, catch / catches等。
(3) 以辅音字母加y结尾的动词,应将y改为i 再加-es:fly / flies, study / studies
等。
【注】①有个别的变化不规则,如have / has, be / is等。
②
词尾-s和-es 读音规则是:在s, x, z, sh, ch 后的es读作[iz],其余的读作[z]
动词第三人称单数变化规则如下:
1) 一般情况下,动词后面直接加 -s. 例如: works gets says reads
2) 以ch,sh,s,x 或 o 结尾的动词,在后面加 -es.
例如: go- goes teach-,teaches,wash-washes ,brush-brushes ,catch-catches,do-does ,fix -fixes
3) 以辅音字母 + y结尾的动词,把 y变为 i 再加 -es. 例如:study- studies try-tries carry-carries,fly-flies
特殊情况:do-does
be-is,was
have-has
can-can
may-may
must-must
need-need
will-will
shall-shall
dare-dare
ought-ought
go-goes
动词第三人称单数变化规则如下:
1) 一般情况下,动词后面直接加 -s. 例如: works gets says reads
2) 以ch,sh,s,x 或 o 结尾的动词,在后面加 -es.
例如: go- goes teach-,teaches,wash-washes ,brush-brushes ,catch-catches,do-does ,fix -fixes
3) 以辅音字母 + y结尾的动词,把 y变为 i 再加 -es. 例如:study- studies try-tries carry-carries,fly-flies
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