如：swim—swimming;jog—jogging;run—running;

(3)以不发音的e结尾的去e加ing

如：ride—riding;dance—dancing;make—making;

四、规则动词过去式的构成

(1)直接在动词后加ed

如：clean—cleaned;milk—milked;play—played;

(2)以e结尾的直接加d

如：dance—danced;taste—tasted;

(3)以辅音字母加y结尾的改y为i加ed

如：study—studied;carry—carried;

(4)双写词尾加ed

如：stop—stopped;jog—jogged;

不规则的有：

am,is—was;are—were;do,does—did;have,has—had;go—went;meet—met;sit—sat;see—saw;get—got;tell—told;run—ran;come—came;steal—stole;read—read;

【必背知识】

数词：基数词、序数词

基数词

(1)1-20

one，two，three，four，five，six，seven，eight，nine，ten，eleven，twelve，thirteen，fourteen，fifteen，sixteen，seventeen，eighteen，nineteen，twenty

(2)21-99先说“几十”，再说“几”，中间加连字符。

23→twenty-three，34→thirty-four，45→forty-five，56→fifty-six，67→sixty-seven，78→seventy-eight，89→eighty-nine，91→ninety-one

(3)101—999先说“几百”，再加and，再加末两位数或末位数;

586→five hundred and eighty-six，803→eight hundred and three

(4)1，000以上，先从右往左数，每三位数加一个“，”，第一个“，”前为thousand.第二个“，”前为million，第三个“，”前为billion

1，001→one thousand and one

18，423→eighteen thousand，four hundred and twenty-three

6，260，309→six million two hundred and sixty thousand three hundred and nine

750，000，000，000→seven hundred and fifty billion

序数词

(1)一般在基数词后加th

eg.four→fourth，thirteen→thirteenth

(2)不规则变化

one→first，two→second，three→third，five→fifth，eight→eighth，nine→ninth，twelve—twelfth

(3)以y结尾的十位整数，变y为ie再加th

twenty→twentieth，forty→fortieth，ninety→ninetieth

(4)从二十一后的“几十几”直至“几百几十几”或“几千几百几十几”只将个位的基数词变为序数词。

twenty-first，two hundred and forty-fifth

小学六年级英语总复习知识点归纳之一

1、话题

(1)字母：(大小)辨认、书写顺序:Aa Bb Cc Dd Ee Ff Gg Hh Ii Jj Kk Ll Mm Nn Oo Pp Qq Rr Ss Tt Uu Vv Ww Xx Yy Zz.