Lesson-26

Suffix: - ible, - able

-ible	-able
If the root is not a complete word, add -ible. aud + ible = audible Examples:  visible  horrible  terrible  possible  edible  eligible  incredible  permissible	If the root is a complete word, add -able. accept + able = acceptable Examples:  fashionable  laughable  suitable  dependable  comfortable If the root is a complete word ending in -e, drop the final -e and add -able. excuse - e+ able = excusable Examples:  advisable  desirable  valuable  debatable

Exercise:

Write ‘A’ or ‘I’ in the following blanks:

(Answers on the next page)

1)poss _ ble 2)imagin _ ble 3)inelig _ ble 4)accept _ ble 5)cred _ ble 6)intellig _ ble

7) profit _ ble 8)access _ ble 9)inconsider _ ble 10)compar _ ble 11)vis _ ble

12)impractic _ ble 13)respons _ ble 14)avoid _ ble 15)indispens _ ble 16)depend _ ble

17)indel _ ble 18)incompat _ ble 19)desir _ ble 20)illeg _ ble 21)inflamm _ ble

22)prob _ ble 23)ined _ ble

Prefix dis-

The prefix dis- is a derivational morpheme which can be attached to verbs to form new verbs. This prefix has several meanings but its basic meaning is ‘not’

Prefix Base Derived word Meaning
(Verb) (Verb)

dis- agree disagree ‘not agree’
dis- allow disallow ‘refuse to allow’
dis- appear disappear ‘be seen no more’
dis- believe disbelieve ‘refuse to believe’
dis- like dislike ‘not like’
dis- close disclose ‘allow to be seen’
dis- connect disconnect ‘take apart’
dis- continue discontinue ‘give up’
dis- obey disobey ‘not obey’

Based on the examples above, the rule of the prefix dis- attached to verbs can be stated as: {dis-}+ VERB --> new VERB. The new verb is indicated by the change of meaning. In this case, the prefix dis- brings the basic meaning ‘not’ to the verb.

The prefix dis- can be attached to nouns to form new nouns. The following are the examples.

Prefix Base Derived word Meaning
(Noun) (Noun)

dis- advantage disadvantage ‘unfavorable condition’
dis- comfort discomfort ‘absence of comfort’
dis- harmony disharmony ‘lack of harmony’
dis- honor dishonor ‘absence of honor’

Based on the examples above, the rule of the prefix dis- attached to nouns can be stated as: {dis-}+ NOUN --> new NOUN. The new noun is indicated by the change of meaning. In this case, the prefix dis- brings the basic meaning ‘not’ to the noun.

The prefix dis- can also be attached to adjectives to form new adjectives. The examples are as follows:

Prefix Base Derived word Meaning
(Adjective) (Adjective)

dis- able disable ‘make unable to do something’
dis- honest dishonest ‘not honest’
dis- similar dissimilar ‘not similar’

Дата добавления: 2015-08-20