1 六年级英语语法知识汇总一、词类 :1、 动词:行为动词、 be动词、情态动词
(1)行为动词原形、+s/es、+ed、+ing,具体判断方法如下:(2)be 动词a、Am--was Is --was Are--were 口诀:我用 am, 你用 are, is用在他她它,所有复数全用 are
b、肯定和否定句I am (not) from London
He /She is(not) a teacher
My hair is(not) long
Her eyes are(not) small
c、 一般疑问句Am I ⋯
Yes, you are
/No, you aren’t
Are you/they⋯
Yes,we/ they are
No,we/ they aren’ t ’
Is the cat fat
Yes, it is
/No, it isn’ t
is 、am、are 为一类,一般用于一般现在时、现在进行时和一般将来时中
was和 were 为另一类,一般用于一般过去时
(3)情态动词can、must、could 、should 、would、may
情态动词后动词总是用原形
(不受其他任何条件影响)情态动词,没有第三人称单数,所有的情态动词都是如此,情态动词不受人称和数的影响,即不管主语是什么人称它都不变,情态动词,后面只能加动词原型
动词的变化 :动词原形第三人称单数形式+s/es动词的过去式+ed动词的 ing 形式+ing中文be is was, were being 是begin begins began beginning 开始buy buys bought buying 买can could 能come comes came coming 来do does did doing 做draw draws drew