It's easy to have a healthy lifestyle?是一个什么句形,神马叫形式主语?

问题描述:

It's easy to have a healthy lifestyle?是一个什么句形,神马叫形式主语?

It's +形容词+ to do sth 做什么 怎么样的意思 it就是形式主语,真正的主语是to have a healthy lifestyle,句子本来应该是 to have a healthy lifestyle is easy。但是英语中为了美观,避免这种头重脚轻的句子结构,就有了形式主语

it 就是形式主语,真正的主语是to have a healthy lifestyle,句子本来应该是 to have a healthy lifestyle is easy。但是英语中为了美观,避免这种头重脚轻的句子结构,就有了形式主语

It's +形容词+ to do sth 干什么 怎们样
真正的主语是to have a healthy lifestyle
it是形式主语, 就是表面上的主语