Nouns, verbs, adjectives, adverbs and prepositions

Word Classes	Description	Examples
Nouns	these are the names of people, things or ideas	man, cassette, Malaysia, beauty, danger
Verbs	these describe actions or states	actions: go, eat, attack states: relax, like
Adjectives	these describes nouns	an old man, a Malaysian cassette, a dangerous driver
Adverbs	these have several functions, but most of them describe when or in what way the action of a verb happens; most (but not all end in -ly	She sang beautifully. Please come back soon
Prepositions	most of these are short words, used before a noun to show time or place	at school, under the table, before breakfast

Say whether these words are nouns, verbs, adjectives, adverbs or prepositions. A few of them belong to two categories - for example, train can be a noun (a railway train) and a verb (Our team trained for a month.)

1. after
2. bread
3. dangerous
4. danger
5. dangerously
6. Malaysia
7. Malaysian
8. with
9. succeed
10. success
11. successful
12. important
13. importance
14. truth
15. true

If you are not sure about the class of a word, look in your dictionary. Most dictionaries show the class of a word and give examples to show how it is used in a typical sentence.

n. in a dictionary means nouns
v.(or v.i. or v.t.) means verb;
adj. means adjective;
adv. means adverb;
prep. means preposition.

Source: Richard Hughes, Carmel Heah (Common Errors in English, Oxford Fajar)