詞根詞綴學英語單詞是很好的方法，下面是初中英語單詞構(gòu)詞法前綴后綴詞匯一覽表。
前綴 例詞 派生詞
un- “不” happy unhappy
like unlike
usual unusual
friendly unfriendly
im-“不” possible impossible
后綴 例詞 派生詞
-er“人” teach teacher
play player
clean cleaner
drive driver
（以e結(jié)尾，-r）
run runner
（重讀閉音節(jié)，雙寫-er)
win winner
travel traveller
-or“人” invent inventor
visit visitor
-ly（副詞后綴） bad badly
quick quickly
careful carefully
happy happily
deep deeply
lucky luckily
usual usually
noisy noisily
slow slowly
angry angrily
strong strongly
quiet quietly
特例：true truly
terrible terribly
possible possibly
-ful（形容詞后綴） care careful
help helpful
use useful
forget forgetful
-y （形容詞后綴） rain rainy
luck lucky
cloud cloudy
noise noisy
（以e結(jié)尾，去e，加-y）
snow snowy
sun sunny
（雙寫，加-y）
wind windy
-ion（名詞后綴） invent invention
operate operation
-ness（名詞后綴） busy business
good goodness
一些特例：
動詞－－－形容詞
sleep asleep
die dead
enjoy enjoyable
動詞－－－現(xiàn)在分詞轉(zhuǎn)化為名詞
boat boating
build building
begin beginning
cross crossing
meet meeting
turn turning
名詞－－－形容詞
friend friendly
south southern
wool woolen
danger dangerous
difference different
fry fried
worry worried
動詞－－－過去分詞轉(zhuǎn)為形容詞
break broken
lose lost please pleased
colour coloured
動詞－－－名詞
know knowledge
fly flight
please pleasure
名詞－－－名詞
farmfarmer 農(nóng)夫
動詞－－－現(xiàn)在分詞、過去分詞轉(zhuǎn)為形容詞
follow following
interest interested“感興趣的” 只作表語，
僅用于be interested in
interesting “有趣的”
可作表語 和定語
develop developed “發(fā)達的”
developing “發(fā)展中的”