Prefixes

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AFFIXATION
Definition: Affixation is the formation of new words with the help of affixes.

AFFIXATION
Prefixation
Suffixation
PREFIXATION
Definition: is an affix attached to the beginning of a word base of phrase and serving to produce a derivation or an inflectional form.
Examples:
(to) do ---(to) redo
(to) like --- (to) unlike
Happy --- unhappy
Polite --- impolite
Standard --- substandard
CLASSIFICATION OF PREFIXES
In general, prefixes in English have three groups of meaning:

Negative meaning
Reversal or repetition of an action
Space and time relationship
It is worthy of note that “in, un” rather stranger distributed. Sometimes they are interchangeably used. Examples:

Infrequent - unfrequented
Instable - unstable
Immovable - unmovable
Sometimes they “compete” with each other.
Unable - inability
Unjust - injustice
Undecided - indecision
Add the prefixes from the box to the terms:
il- im- in- ir-

1, …active 2,…legal
 3, …articulate 4,…legitimate
5, …artificial 6,…mature
7,…consistency  8,…mobilize




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