Theme parks教案
better-sweet
3.合成動詞
white-wash safe-guard half-understand
overeat baby-sit overthrow
sleep-walk
4.合成副詞
however beforehand forever
sometimes meanwhile alongside
somewhere wherever everywhere
nearby
5.合成代詞
1)代詞賓格或物主代詞＋self(selves)
himself herself ourselves
2)某些不定代詞some,any,no,every＋body(one,thing)
someone anybody nobody
everybody something anything
nothing everything
二、派生法（ derivation）
在一個單詞前或后加上一個詞綴,變成一個新詞,這種構詞法叫派生法,詞綴 有前綴和后綴兩種。除少數前綴外,前綴一般改變單詞的意義,不改變詞性;后綴一般改變此類,而不引起詞義的變化。
1.前綴
dis-否定 disable discourage distrust
disagree disappear discover
dislike disadvantage
in-不,非 incorrect incomplete informal
inactive indefinite indirect
im-不,非 impossible impatient immoral
imperfect improper
un-不 unable unfair unlimited
unwilling unusual unsuitable
unacceptable uncertain uncomfortable
uncommon unequal unfit
unfamiliar unfortunate unfriendly
unhappy unhealthy unkind
unknown unnecessary unpopular
unreal untrue uncover
undress untie
non-不,非 non-stop non-smoker
mis-誤 misunderstand mislead misbehave
re-重,再 rewrite reconsider reuse
recycle recall rebuild