Question

一般现在时态的变化规律

Answer 1

1． 一般现在时
一般现在时的形式
是以动词的原形表示的,当主语为第三人称单数时,做谓语的动词原形后要加上词尾-s or –es,其构成方式列表如下：
情况 构成 例词
一般情况 词尾加-s Reads,writes
以ch,sh,s,x,o结尾的词 词尾加-es Teaches,washes,guesses,fixes,goes
以辅音字母+Y 结尾的词 变Y为I,再加-es Tries,carries
但是,动词to be 和to have 的一般现在时的形式特殊如下：
一般动词的词形变化 To be 的词形变化 To have 的词形变化
I know it I am a student I have a pen.
You know it.You are a student You have a pen
He (she) knows it.He (she) is a student.He (she)has a pen.
We (you,they) know it.We (you,they) are students.We (you,they) have pens