Grammar Basics: Summary of English Word Class Conversions

Vocabulary is the foundation of learning English. The examination of words in English is not limited to their spelling, but emphasizes the flexible conversion and application of different word classes. This is a type of question that students often encounter in exercises or exams—word class conversion.

Grammar Basics: Summary of English Word Class Conversions

Verb to Noun

1. Ends in V+ ment

achieve —— achievement Achievement

advertise —— advertisement Advertisement

agree —— agreement Agreement

amuse——amusement Amusement

commit —— commitment Commitment

develop —— development Development

disagree —— disagreement Disagreement

equip —— equipment Equipment

govern —— government Government

manage——management Management

argue —— argument Argument

2. Ends in V+ ion

attract —— attraction Attraction

discuss —— discussion Discussion

express —— expression Expression

instruct —— instruction Instruction

invent—— invention Invention

predict —— prediction Prediction

impress —— impression Impression

suggest —— suggestion Suggestion

educate —— education Education

graduate —— graduation Graduation

operate —— operation Operation

illustrate —— illustration Illustration

pollute —— pollution Pollution

introduce —— introduction Introduction

organize —— organization Organization

imagine —— imagination Imagination

inspire—— inspiration Inspiration

invite —— invitation Invitation

compete —— competition Competition

pronounce —— pronunciation Pronunciation

admit —— admission Admission

permit —— permission Permission

conclude —— conclusion Conclusion

decide —— decision Decision

describe —— description Description

resolve —— resolution Resolution

solve —— solution Solution

3. Ends in V+ ance

allow —— allowance Allowance

appear —— appearance Appearance

perform —— performance Performance

exist —— existence Existence

4. Ends in V+ ing

end —— ending Ending

train —— training Training

mean —— meaning Meaning

say—— saying Saying

remind —— reminding Reminding

bathe —— bathing Bathing

5. Add er or or to become a noun indicating a “type of person”

work——worker Worker

teach——teacher Teacher

sing——singer Singer

jump——jumper Jumper

play——player Player

learn——learner Learner

visit——visitor Visitor

invent——inventor Inventor

6. Other Conversions

beg——beggar Beggar

sit——seat Seat

believe —— belief Belief

behave —— behavior Behavior

know—— knowledge Knowledge

fly—— flight Flight

mix —— mixture Mixture

press —— pressure Pressure

serve —— service Service

succeed —— success Success

pursue —— pursuit Pursuit

propose —— proposal Proposal

withdraw —— withdrawal Withdrawal

survive —— survival Survival–survivor Survivor

arrive —— arrival Arrival

analyze —— analysis Analysis

Grammar Basics: Summary of English Word Class Conversions

Adjective to Noun

1. Change ent to ency or ence

efficient——efficiency Efficiency

patient——patience/impatience Patience/Impatience

dependent——dependence Dependence

independent——independence Independence

urgent——urgency Urgency

2. Ends in ble, change ble to bility

possible——possibility Possibility

responsible——responsibility Responsibility

3. Other Conversions

accurate——accuracy Accuracy

prosperous——prosperity Prosperity

true——truth Truth

wide——width Width

long——length Length

high——height Height

Grammar Basics: Summary of English Word Class Conversions

Noun/Verb to Adjective

1. Noun + y

guilt——guilty Guilty

health——healthy Healthy

luck——lucky Lucky

cloud——cloudy Cloudy

wind——windy Windy

rain——rainy Rainy

snow——snowy Snowy

tourist——touristy Touristy

(ending in er, change er to ry)

hunger——hungry Hungry

anger——angry Angry

fog——foggy Foggy

sun——sunny Sunny

fur——furry Furry

shine——shiny Shiny

taste——tasty Tasty

2. Noun/Verb + ed

(For words ending in consonant + consonant, add ed directly)

talent——talented Talented

offend——offended Offended

crowd——crowded Crowded

(For words ending in vowel e, add d directly)

balance——balanced Balanced

organize——organized Organized

pollute——polluted Polluted

please——pleased Pleased

(For words ending in vowel + consonant, double the last consonant and add ed)

spot——spotted Spotted

3. Noun + ful/less

care——careful/careless Careful/Careless

help——helpful/helpless Helpful/Helpless

use——useful/useless Useful/Useless

meaning——meaningful/meaningless Meaningful/Meaningless

colour——colourful/colourless Colourful/Colourless

pain——painful/painless Painful/Painless

thank——thankful/thankless Thankful/Thankless

peace——peaceful Peaceful

play——playful Playful

home——homeless Homeless

4. Noun/Verb + able

change——changeable Changeable

adjust——adjustable Adjustable

comfort——comfortable Comfortable

knowledge——knowledgeable Knowledgeable

suit——suitable Suitable

(For verbs ending in consonant + y, change y to i and add able)

deny——deniable Deniable

rely——reliable Reliable

5. Noun + ous

courage——courageous Courageous

danger——dangerous Dangerous

(For words ending in y, change y to i and add ous)

mystery——mysterious Mysterious

6. Change ce to t

confidence——confident Confident

difference——different Different

dependence——dependent Dependent

independence——independent Independent

7. Add al to the end

addition——additional Additional

music——musical Musical

person——personal Personal

nation——national National

education——educational Educational

tradition——traditional Traditional

origin——original Original

(For words ending in vowel e, remove the last vowel and add al)

nature——natural Natural

globe——global Global

Special Case: class——classical Classical

medicine——medical Medical

grammar——grammatical Grammatical

8. Noun + ly

friend——friendly Friendly

live——lively Lively

love——lovely Lovely

week——weekly Weekly

man——manly Manly

9. Add en to the end

wood——wooden Wooden

wool——woolen Woolen

10. Words Indicating Direction

East——eastern Easter

West——western Western

South——southern Southern

North——northern Northern

11. Four Continents

Asia——Asian Asian

Africa——African African

Europe——European European

America——American American

12. Other Conversions

energy——energetic Energetic

strategy——strategic Strategic

scientist——scientific Scientific

fool——foolish Foolish

love——loving Loving

pleasure——pleasant Pleasant

pride——proud Proud

Grammar Basics: Summary of English Word Class Conversions

Adjective to Verb

1. Add ize to the end

modern——modernize Modernize

social——socialize Socialize

2. Add en to the end

fast——fasten Fasten

short——shorten Shorten

wide——widen Widen

less——lessen Lessen

Special Cases (with changes):

long——lengthen Lengthen

strong——strengthen Strengthen

3. Add en to the front

large——enlarge Enlarge

Grammar Basics: Summary of English Word Class Conversions

Adjective to Adverb

1. Adjective + ly

bad——badly Badly

bright——brightly Brightly

casual——casually Casually

clear——clearly Clearly

complete——completely Completely

correct——correctly Correctly

final——finally Finally

fortunate——fortunately Fortunately

general——generally Generally

loud——loudly Loudly

particular——particularly Particularly

polite——politely Politely

proper——properly Properly

main——mainly Mainly

most——mostly Mostly

normal——normally Normally

quick——quickly Quickly

quiet——quietly Quietly

real——really Really

recent——recently Recently

sad——sadly Sadly

slow——slowly Slowly

special——specially Specially

specific——specifically Specifically

strong——strongly Strongly

sudden——suddenly Suddenly

usual——usually Usually

2. For words ending in le, remove e + y

comfortable——comfortably Comfortably

gentle——gently Gently

possible——possibly Possibly

simple——simply Simply

terrible——terribly Terribly

3. For consonant + y, change y to ily

easy——easily Easily

heavy——heavily Heavily

happy——happily Happily

4. Special Cases

good——well Well

true——truly Truly

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Grammar Basics: Summary of English Word Class Conversions

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