2017小升初英语时态知识点
一、现在进行时：
be doing (动词+ing的特殊变化见附1)
I am eating. He is eating.
二、一般将来时：
be going to do
I am going to eat. He is going to eat.
三、一般现在时：
主+动(s) (动词+s 的特殊变化见附2)
I eat. He eats.
四、一般过去时：
主+动ed (动词+ed的特殊变化见附3)
I ate. He ate.
附1：动词+ing的特殊变化
(1) 去e +ing: taking making coming having writing dancing
(2) 双写最后一个字母+ing: running swimming
附2：动词+s 的特殊变化
动词+es: goes does watches teaches passes
附3：动词+ed的特殊变化
do—did is/am—was are—were have—had go—went
read—read eat—ate buy—bought take—took sing—sang
dance—danced see—saw get—got leave—left swim—swam
study—studied fly—flew say—said come—came run—ran
tell—told drink—drank find—found
附4：形容词比较级的特殊变化
big—bigger thin—thinner heavy—heavier funny—funnier
附5：代词的变化
主格 I you he she it we you they
宾格 me you him her it us you them
物主代词(~的) my your his her its our your their
mine yours