รากศัพท์(Root)เป็นส่วนที่แสดงถึงความหมายพื้นฐานหรือความหมายหลักของคำ
Affixคือคำที่เติมเข้าไปข้างหน้าหรือหลังคำทำให้ความหมายของคำนั้นเปลี่ยนไปและจะช่วยให้รู้ความหมายของคำศัพท์ในภาษาอังกฤษเพิ่มขึ้นหรือยังสามารถรู้หน้าที่ Function ของคำนั้นๆได้จากการเติมเข้าไป
Affix มี 2 ชนิด คือ
1. prefix ส่วนที่เติมเข้าไปข้างหน้า
Root เรียกว่า Prefix
2.suffix ส่วนที่เติมเข้าไปข้างหลัง
Root เรียกว่า suffix
ตัวอย่างเช่น
|
Prefixes
We Know
|
Examples
|
|
im- not
|
improper
|
|
in- not
|
incomplete
|
|
bi- two
|
bicycle
|
|
non- not
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nonstop
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|
dis- not or opposite of
|
disagree
|
|
Suffixes We Know
|
Examples
|
|
-er one who
|
farmer
|
|
-or one who
|
actor
|
|
-less without
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useless
|
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-able,
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buildable
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-ible can be
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reversible
|
1.read reading readover
reader readable reread
2.employ employer employee employment
unemployment unemployed
3.invent inventive inventory invention inventing inventif
4.manage managed manager manageable
manageably management
5.beauty beautiful beautician beautify beauteous beautifully
6.faith faithful faithless
faithfulness unfaithful faithlessly
Exercise 2: Try to break out the following words
into the roots,prefixes, and suffixes, First is done for you.
1.disappointment=
Root=>appoint Prefix=> dis Suffix =>ment
2.retroactive
R=>active
P=> retro-
S=> -
3.antisocial
R=>social
P=>anti-
S=> -
4.homogeneous
R=>gene
P=>homo-
S=>-ous
5.geography
R=>-
P=>geo-
S=>-graphy
6.macromolecule
R=>molecule
P=>macro-
S=>-
7.thermometer
R=>meter
P=>thermo-
S=>-
8.unbelievable
R=>believ
P=>un-
S=>-able
9.unhappy
R=> happy
P=>un-
S=>-
Exercise 3: Try to build
up you words from the
given prefixes.If you
are not sure,use
the dictionary to
find the words
and their meanings.
1.tri- trilingual
triangle triple
Tripod triaxial
triacetate
2.mis- misbranding Misalignment
misadventure
misapply misappropriate misanthrope
3.semil-
4.hypo- hyposulphite
hypoblast hypoallergenic
Hypothalamus hypodermic hypochlorous
http://dictionary.reference.com/browse/semil?s=ts
After downloading the file, I just want you to choose 20 words from reading and try to break out the words as the example.
ที่มา:http://www.ldoceonline.com/search/?q=ed
After downloading the file, I just want you to choose 20 words from reading and try to break out the words as the example.
words
|
Part of speech
|
prefix
|
Root
|
suffix
|
page
|
||||||
1. patient
|
noun
|
patient
|
6
|
||||||||
2. information
|
noun
|
In-
|
form
|
-tion
|
6
|
||||||
3. important
|
adjective
|
|
port
|
-ant
|
6
|
||||||
4. appendix
|
noun
|
appendix
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7
|
||||||||
5. allergic
|
adjective
|
allergic
|
7
|
||||||||
6. expressions
|
noun
|
Ex-
|
press
|
-ion
|
7
|
||||||
7. maintaining
|
verb
|
maintain
|
-ing
|
7
|
|||||||
8. medical
|
noun
|
medical
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8
|
||||||||
9. admission
|
noun
|
admiss
|
-ion
|
8
|
|||||||
10. identification
|
noun
|
identificat
|
-ion
|
8
|
|||||||
11. symptoms
|
noun
|
Sym-
|
ptoms
|
9
|
|||||||
12.Communication
|
noun
|
Communicat
|
-ion
|
10
|
|||||||
13. handing
|
verb
|
hand
|
-ing
|
11
|
|||||||
14. Abbreviations
|
noun
|
Abbreviat
|
-ion
|
11
|
|||||||
15. Charting
|
noun
|
Chart
|
-ing
|
13
|
|||||||
16. happened
|
verb
|
happen
|
-ed
|
6
|
|||||||
17. putting
|
verb
|
putt
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-ing
|
10
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|||||||
18. functions
|
Noun
|
funct
|
-ion
|
8
|
|||||||
19. waiting
|
verb
|
wait
|
-ing
|
7
|
|||||||
20. medications
|
Noun
|
medicat
|
-ion
|
6
|
ที่มา:http://www.ldoceonline.com/search/?q=ed
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