小学英语知识点

1、写出完全形式：

1.who's=who is

2.she's = she is

3.he's = he is

4.what's = what is

5. where’s= where is

6.we're = we are

7.you're = you are

8.that's = that is

9. I'm = I am

10. isn't = is not

11.aren't = are not

12.they're = they are

13.don't = do not

14.let's = let us

15. can’t = can not

16. it's = it is

17. I’ve = I have

18. I’d = I would

19. hasn’t = has not

2、写出下列单词的复数形式：

1.bus —— buses

2.box —— boxes

3.glass ——glasses

4.class —— classes

5.watch —— watches

6.mango —— mangoes

7.firefly —— fireflies 8.sheep —— sheep

9.people —— people 10.man —— men

11.woman —— women 12.apple —— apples

13.family —— families 14.library —— libraries

15.baby —— babies 16.boy —— boys

17.toy —— toys 18.child —— children

19.foot —— feet 20.strawberry —— strawberries

21.horse —— horse

22.policeman —— policemen

23.dress —— dresses

24. fish —— fish

25.tooth —— teeth

26.country —— countries

27. foot —— feet

28.dragonfly —— dragonflies

29.me ——us

30.building —— buildings

31. cloth —— clothes

32. this —— these

33. that —— those

34.circle —— circles

35.story —— stories

1.绝大多数的可数名词的复数形式,是在该词末尾加上后辍-s.

例：friend→friends; cat→cats; style→styles; sport→sports; piece→pieces

2.凡是以s、z、x、ch、sh结尾的词,在该词末尾加上后辍-es构成复数.

例：bus→buses; quiz→quizzes; fox→foxes; match→matches; flash→flashes

3.以辅音字母+y结尾的名词,将y改变为i,再加-es。

例：candy→candies; daisy→daisies; fairy→fairies; lady→ladies; story→stories

4.以-o结尾的名词,如果不是外来词或缩写,就加-es,否则加-s构成复数

例：tomato→tomatoes; potato→potatoes; torpedo→torpedoes; bingo→bingoes

5.以-f或-fe结尾的名词,多为将-f或-fe改变为-ves,但有例外.

例：knife→knives; life→lives; leaf→leaves; staff→staves; scarf→scarves

6.以-us结尾的名词（多为外来词）,通常将-us改变为-i构成复数.例：fungus →fungi; abacus→abaci; focus→foci; cactus→cacti; cestus→cesti

7.以-is结尾的名词,通常将-is改变为-es.例：axis→axes; basis→bases; naris →nares; hypothesis→hypotheses; restis→restes

8.以-ix结尾的名词,通常将-ix改变为-ices,但有例外. 例：matrix→matrices; directrix→directrices; calix→calices

9.以-um结尾的名词,将-um改变为-a.例：forum→fora; stadium→stadia; aquarium→aquaria; datum→data

3、反义词或对应词：

1.same —— different

2.new ——old

3.old ——young

4.short —— long

5.big ——small

6.tall —— short

7.yes —— no

8.open —— close

9.hot —— cold 10.here —— there 11.sit ——stand 12.up ——down

13.thin ——fat

14.father —— mother

15.right —— wrong

16.black ——white

17.this —— that

18.these —— those

19.boy —— girl

20. grandfather ——grandmother

21.man ——woman

22.husband —— wife

23.aunt—— uncle

24.brother—— sister

25. he —— she

26. left —— right

27. go ——come

28. nurse ——doctor

29. good ——bad

30. minus —— plus

31. his —— her

32. busy—— free

33. hand ——foot