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1·In the sentence 'They often go to Italy because they love the food', 'They often go to Italy' is the main clause and 'because they love the food' is a subordinate clause.

在They often go to Italy because they love the food这个句子里，They often go to Italy是主句，because they love the food是从句。《牛津词典》

2·The main clause talks about the likely result.

主句谈论可能的结果。

3·By definition, every sentence must have a main clause.

照定义，每个句子都会有一个主要的子句。

4·A conditional clause needs a main clause to make a complete sentence.

从句可置于主句前或主句后，与主句共同构成完整的句子。

5·A purpose or reason clause needs a main clause to make a complete sentence.

目的状语从句和原因状语从句与主句一起构成完整的句子。

6·Clauses of contrast give information that surprises, or contrasts with the main clause.

对比状语从句用来表示超出主句表达的意义或与主句形成对比的信息。

7·By definition, every sentence must have a main clause. Every clause has a subject and a predicate, which includes its verb.

照定义，每个句子都会有一个主要的子句。每个子句都会有其主词及谓词，包括其动词。

8·The main clause and subordinate clause of compound sentence must have subject and predicate as same as the simple sentence.

复合句的主句和从句也和简单句一样，必须有主语和谓语。

9·The main clause and subordinate clause of compound sentence must have subject and predicate, as same as the simple sentence.

复合句的主句和从句也和简单句一样，必须有主语和谓语。

10·In any English grammar textbooks, there are certain chapters analyzing complex sentences and its subordinate clause and main clause.

在英语语法著作中，都有专门的章节阐述所谓的复合句、包括从属分句和领句。