语法要点

语法要点（Main points）
1) Simple sentences have one clause.
简单句只包含一个句子。
2) Clauses usually consists of a noun group as the subject, and a verb group.
句子通常是由名词短语做主语，动词短语做谓语。
3) Clauses can also have another noun group as the object or complement.
名词短语还可构成句子的宾语或表语。
4) Clauses can have an adverbial, also called an adjunct.ss
句子还可用状语，或称修饰语。
5) Changing the order of the words in a clause can change its meaning.
改变句中词语的顺序可改变句子的意思。
6) Compound sentences consist of two or more main clauses. Complex sentences always include a subordinate clause,
as well as one or more main clauses.
并列句包含两个或两个以上的分句。复合句则包含一个以上的从句和主句。