Adjectives and adverbs
Adjectives describe nouns or subject complements; adverbs describe actions, qualities, degrees or whole claims.
01 · Concept foundation
Understand the terms before applying the rule
Each term below names a different grammatical object. Open examples and compare their function rather than memorising a Vietnamese translation alone.
adjective/ˈædʒɪktɪv/
tính từA word that attributes a quality to a noun or follows a linking verb as a complement.
a stable model; the model is stable
một mô hình ổn định; mô hình ổn định
adverb/ˈædvɜːb/
trạng từA word or phrase that modifies a verb, adjective, another adverb or an entire clause.
rose rapidly; highly accurate; fortunately
dâng nhanh; rất chính xác; may mắn thay
linking verb/ˈlɪŋkɪŋ vɜːb/
động từ nốiA verb that links the subject to a description or identity rather than expressing a separate action.
remain stable, become severe, appear reliable
vẫn ổn định, trở nên nghiêm trọng, có vẻ đáng tin
attributive adjective/əˈtrɪbjətɪv ˈædʒɪktɪv/
tính từ thuộc ngữAn adjective placed inside a noun phrase before its head noun.
a reliable coastal sensor
một cảm biến ven biển đáng tin cậy
adjective order/ˈædʒɪktɪv ˈɔːdə/
trật tự tính từThe strong tendency to arrange cumulative adjectives from opinion through size, age, shape, colour, origin and material to purpose.
a robust new German acoustic sensor
một cảm biến âm học mới, bền chắc, của Đức
stance adverb/stæns ˈædvɜːb/
trạng từ lập trườngAn adverb that comments on the truth, importance or evaluation of an entire proposition.
Importantly, the bias declined.
Quan trọng là độ chệch đã giảm.
Complete lesson scope
Do not stop at one formula
Attributive, predicative and postpositive adjective positions
Manner, frequency, degree, focusing and stance adverbs
Adjective order and gradable/non-gradable meaning
Adverb placement with auxiliaries, verbs and whole clauses
Decision boundary: Do not form an adverb mechanically with -ly: some forms are irregular and some -ly words are adjectives.
02 · Controlling rule
Use adjectives before nouns or after linking verbs, and adverbs for verbs, adjectives, other adverbs or whole clauses. Order multiple adjectives from subjective description toward objective classification, and place adverbs according to their scope.
Adj + noun | linking verb + Adj | verb + Adv | stance Adv, clauseAdjectives, adjective order and adverb systems
Distinguish adjective and adverb functions, place them in licensed positions, order multiple adjectives naturally and control degree, focus and stance without mechanical -ly formation.
1. What adjectives do
Adjectives characterise a noun or complete the meaning of a linking verb. They do not normally change for number or gender, but their position and complement pattern matter.
attributive adjective + noun | linking verb + predicative adjective | adjective + complementAttributive adjectives occur before a noun: a reliable sensor. Predicative adjectives follow linking verbs: the sensor seems reliable.
Common linking verbs include be, seem, appear, become, remain, feel, look, sound, smell and taste; they take an adjective when describing the subject.
Some adjectives prefer one position: asleep/afraid/alive are mainly predicative; main/mere/utter are mainly attributive.
Adjectives can select complements: interested in, responsible for, likely to, aware that, difficult to measure.
The offshore observations remained reliable despite the storm.
The team is responsible for checking the metadata.
Natural adjective order
This is a strong default order. Meaning, contrast and fixed collocation can override it; avoid stacking every category.
| Position | Category | Examples |
|---|---|---|
| 1 | Opinion/quality | excellent, robust, useful |
| 2 | Size | large, narrow, tiny |
| 3 | Age | new, old, recent |
| 4 | Shape | round, rectangular, curved |
| 5 | Colour | blue, dark, transparent |
| 6 | Origin | Dutch, Asian, local |
| 7 | Material | steel, wooden, concrete |
| 8 | Purpose/classifier | monitoring, flood-control, acoustic |
Adverb function and default position
Position changes information focus. Read the whole sentence, not only the nearest word.
| Type | Typical position | Example |
|---|---|---|
| Manner | End; after object | measured the flow accurately |
| Frequency | Mid; before lexical verb/after be | often fails; is often noisy |
| Degree | Before adjective/adverb | highly accurate; very slowly |
| Focus | Immediately before scope | only one station; one station only |
| Stance/linking | Front or separated by commas | Fortunately, ...; however, ... |
High-risk contrasts
Performed is an action verb; accurately describes how the action was performed.
Looks is a linking verb here, so the complement describes the subject with an adjective.
Size normally precedes age, and material sits closest to the noun.
Impossible is a strong endpoint adjective; absolutely is the natural intensifier.
Concept and form check
Apply the system in context
Describe one process and one object for IELTS: use a naturally ordered adjective phrase for the object, a manner adverb for the process, a frequency or degree adverb, and one stance adverb commenting on the whole claim.
- ✓Adjective or adverb is selected by function, not spelling alone.
- ✓Multiple adjectives follow a natural semantic order and remain readable.
- ✓Adverb position gives the intended scope and focus.
03 · Worked examples
Observe form, function and meaning together
The offshore observations remained reliable despite the storm.
Các quan trắc ngoài khơi vẫn đáng tin cậy mặc dù có bão.
The scheme consistently underestimated the highest values.
Sơ đồ số liên tục đánh giá thấp các giá trị cao nhất.
The team installed a robust new German acoustic sensor.
Nhóm lắp đặt một cảm biến âm học mới, bền chắc, của Đức.
Importantly, the revised method reduced both bias and variance.
Quan trọng là phương pháp đã sửa làm giảm cả độ chệch và phương sai.
04 · High-risk contrast
Explain why one form fails, not only which answer is correct
They installed a steel new large gate.
They installed a large new steel gate.
The default cumulative order is size before age, with material closest to the head noun.
05 · Mastery check
Apply the rule before marking the lesson complete
Which sentence is grammatically acceptable in the target system?
Which description best defines “adjective”?
Which example is one of the verified target patterns in this lesson?
Which structural formula belongs to this lesson?
Complete all four checks, then submit a sentence for target-form feedback.
06 · IELTS Academic
Transfer grammar into a real communicative task
Use controlled adjective order for precise description and varied adverb systems for trend strength, frequency and stance: a substantial recent increase; rose steadily; notably, the gap widened.
Distinguish attributive and predicative adjective positions.
Apply opinion–size–age–shape–colour–origin–material–purpose order.
Place manner, frequency, degree, focus and stance adverbs appropriately.
Explain hard/hardly, late/lately and high/highly contrasts.