Question

（英语）分析下列句子的句子成分

例:It is a pitty that the industrial cities built in the nineth century do not attract visitors.
复合句 句子结构：形式主语+系动词+表语+主语从句

1. How beautiful it was,falling so silently ,all day long,all night long.

2.Instead of trying hard to be happy,as if that were the only purpose of life.

Answer 1

1. How beautiful it was,falling so silently ,all day long,all night long.
简单句 句子结构：主语+系动词+表语，-ing形式做状语（How） beautiful 是表语提前
2.Instead of trying hard to be happy,as if that were the only purpose of life.
似乎不够句子。.Instead of ---是介词短语，按理是状语；as if 是是引导词that是as if之后的从句的主语。意思是，并非尽力快乐起来，似乎那是人生的唯一目的。
我想应该有上下文吧

Answer 2

1. How beautiful it was,falling so silently ,all day long,all night long.
简单句 感叹句 主句， 伴随状语，时间状语，时间状语
2.Instead of trying hard to be happy,as if that were the only purpose of life.
复合句（无主句） 介词短语， 状语从句
这个句子没有主句，不是完整句子。