小学英语必会知识点总结(2)

如：study—studies;library—libraries; hobby—hobbies; family—families;

(4)以f, fe结尾的改f, fe 为v+es如：knife—knives; thief—thieves(注:以o结尾的我们学过的只有mango加es, mango—mangoes其余加s,)

不规则的有：

man—men; woman—women; people—people; child—children

动词第三人称单数的构成

(1)直接在动词后加s

如：run—runs; dance—dances

(2)以s,sh,ch,o结尾的加es

如：do—does;go—goes;wash—washes;catch—catches

(3)以辅音字母加y结尾的改y为i加es

如：study—studies; carry—carries;

现在分词的构成

(1)直接在动词后加ing

如：sing—singing; ski—skiing;

(2)双写词尾加ing

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;

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;

形容词副词比较级的构成

规则的：

(1)直接在形容词或副词后加er

如;small—smaller; low—lower;

(2)以e结尾的加r

如：late—larer;

(3)双写词尾加er

如：big—bigger; thin—thinner; fat—fatter;

(4) 以辅音字母加y结尾的改y为i加er

如：heavy—heavier; early—earlier;

不规则的有：

good, well—better(最高级为best); many, much--- more(最高级为most); far---farther

小学英语重要知识点

1.陈述句(declarative sentence)

用来陈述一项事实或说话人的看法。例如：

We looked upon our youth as the future of our mother-land.I haven’t finished my work yet.

There are various kinds of jobs in the world.

2.疑问句 (interrogative sentence)

疑问句提出问题，启发读者思考，文章中正确使用疑问句可以加深读者对主题的理解。疑问句可以分为一般疑问句、特殊疑问句、选择疑问句和反义疑问句。

一般疑问句 (general questions)

Can you finish the work in time?

Have you concluded the business?

特殊疑问句(wh-Questions)

Where do you work?

Which point of views is most valid?

选择疑问句(alternative questions)

Do you want coffee or tea?

反义疑问句(tag-questions)

He doesn’t know her, does he?