attributive adjective
order of adjectives, opinion, size, age,shape, color, origin, material, purpose + noun
positive adjectivek old, small, fat, low, funny, modern, ridiculous
comparative adjective, older, smaller, fatter, lower, funnier, more modern, more ridiculous
superlative adjective, the oldest, the largest, the fattest, the lowest, the most modern, the most ridiculous
equal comparison, as...as, not so...as
positive adverb
comparative adverb
superlative adverb
article, definite article, indefinite article
clause,
main clause,
subordinate clause
   adjectival clause, to describe noun or pronoun He is not well known in his country where Bible is not honored.  I come across bad people wherever I go.
relative clause,
adjective clause also known as relative clause because they begin with relative pronoun who, whose, where, which, that
adverbial cluase
-of purpose, They close the door so that thefts cannot come in.
-of condition, If I had stayed at school, I would have burnt to death.
-of cause and effect, Peter take revision because he failed last time.
-of time, They arrived after the train had left.
-of opposition, He takes the professor's course even though he dislikes him.
-of result, I get so hot that I have to take off my jacket.
-of manner, She shows her kindness in a way that enlightens.`
noun
-as subject of 'be', What I did was right.
-subject complement of be, My mistake was that I took Ms Li to hospital.
- object of know, If I had known what he was planning to do, I would not have given him a hand.
-object after preposition 'for', You should be shameful for what you have done.
Conjunction, coordinaring conjunctions, and, so, or, nor, but, yet.
subordinating conjunctions, If I were you, I would quit the job.