Phân biệt cách dùng "Un-" và "Dis-"
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học viên nắm rõ và phân biệt 2 tiền tố trên, mời các bạn tham khảo:
The prefix un- has been in the language longer than dis
The Old English prefix on- (now spelled un-) was added to verbs to indicated a
reversal of the action:
wind/unwind
bind/unbind
fold/unfold
do/undo
This prefix has remained alive, giving us such verb opposites as:
fasten/unfasten
buckle/unbuckle
cover/uncover
wrap/unwrap
Old English also had the prefix of negation un- that was added to adjectives, such
as unborn and unburied. We continue to form negative adjectives in this way:
unhappy
unknown
unwanted
unavailable
unconventional
uncool
unputdownable
Dis- came into English during the Middle English period, along with many Latin
and French words. The prefix dis- is related to bis, (two), and can be used in the
sense of separation:
disjoin
disable
In the course of centuries, distinctions between un- and dis- have blurred.
Sometimes the prefixes are interchangeable. Sometimes not.