be out to do 成分剖析

The antismoking lobby was out to destory our way of life and the government should stay out of the way.

请问这里的 be out to do是复合谓语吗？out是形容词，还是 to destory our way...是状语？

The antismoking lobby was out to destory our way of life and the government should stay out of the way.

1. be out to do sth.：看作固定使用方法即可，不要细分。意为：try to do sth.

2. 假如网友喜欢探索句子结构或词义来历，可以如此剖析：

out 是副词作表语，to do sth. 是不定式作目的状语。out 的意思由 “出去；出来” 引申而来，即：把你身上的所有力气、精神全都拿出来（去从事某件事），又如：go all out （全力以赴，竭尽全力）to do...