LÝ THUYẾT WORD FORMS

LÝ THUYẾT WORD FORMS
( Cách thành lập từ)
1. NOUNS .
FORM EXAMPLES
AR
a- Verb + ER
OR
- sailor, actor
- teacher, driver, viewer, singer
- beggar, liar
ION
b- Verb + ING
MENT
- action, invention, liberation, conclusion
- writing, making, liking, cooking, learning
- movement, development, investment, punishment,
e- Noun. Adjective + ISM - capitalism, patriotism, terrorism, heroism, communism.
NESS
f- Adjective + TY
ITY
- happiness, laziness, illness, sickness
- cruelty, loyalty, difficulty
- possibility, ability, capability, ability, curiosity
h- Adjective Noun - long → length - high → height - hot → heat
- brave → bravery - proud → pride - young → youth
- deep → depth - terrible → terror - famous → fame
i- Verb Noun - choose → choice - live → life - feed → food
- prove → proof - see → sight - sit → seat
- die → death - lose → loss - fail → failure
- sing → song - sell → sale
The functions of a noun

1- Subject: - This girl is intelligent.
2- Object: - She eats a banana.
3- Complement: - He is a footballer
2. ADJECTIVES:
FORM EXAMPLES
Noun - Adjective - notice → noticeable
- reason → reasonable
- value → valuable
- terror → terrible
- sense → sensible
- horror → horrible
- luxury → luxurious
- victory → victorious
- variety → various
- danger → dangerous
- neglect → neglected
- gold → golden
- wood → wooden
- West → Western
- mischief → mischievous
- advent → adventitious
- authority → authoritative
- intuition → intuitive
- advangtage → advangtageous
- caution → cautious
Verb → adjective - obey → obedient
- notice → noticeable
- please → pleasing
- learn → learned
- benefit → benificial

- collect → collective
- create → creative
- accept → acceptable
- admire → admirable
- volunteer→ voluntary
- study → studious
- criticize → critical
- attend → attentive
- compete → competitive
FORM EXAMPLES
- decide → decisive
- deceive→deceptive.deceitful
- destroy → destructive
- decorate → decorative
noun - FUL
- harmful - pocketful
- handful - useful
- peaceful - basketful
- successful - helpful
noun –LESS
( không)
- childless
- harmless
- hopeless
- helpless
- homeless
noun -LY - manly
- yearly
- hourlybrotherly
- daily

noun - Y - snowy
- rainy
- faulty
- starry
- healthy
- dirty
noun - ISH - foolish - childish - selfish
noun -AL - central
- accidental
- traditional
- occasional
- personal
- optional
- natural
- magical
- industrial
- agricultural
Noun→Adjectiv
e
- difference -different
- patience -patient
- independence -independent
- circumstance-circumstantial
- sympathy - sympathic
- giant giantic
- variety various
- bounty bounteous
- clamour clamourous
- danger dangerous
- disaster disastrious

- create creative
III. Adverbs :
1- Definition: Adverbs express how, when, or where an action is done
1.1- Adverbs of manner: express how an action is done
actively calmly fast late carefully
Ex: The birds sang sweetly
2- The positions of adverbs
2.1- Ex: - She is very beautiful
(adj)
- He sings very well
2.3- Adverbs which modify the meaning of verbs.
Ex: - He is running fast
- I live here
- I am speaking now
NOTES:
 There is a change of the final vowel when necessary
Ex: lucky → luckily
happy → happily
slow → slowly
 Some adverbs have the same form as adjectives
Ex: - I went to New York by a fast train.
(adj)
- He ran fast.
(adv)
- We were late for school.
(adj)
- We went t school late.
(adv)