구문 연구 - 결과 구문 - enough to ; so ~ as to ... etc

17. The fog was dense enough for them to lose eheir way. 

18. I am not so rish as to buy a new car. 

형용사(부사) + enough to +  동사원형

= so + 형용사(부사) + as to + 동사원형

not + 혀용사(부사) + enough to + 동사원형

= not so + 형용사 + as to + 동사원형

be old enough(or so old as ) to ~~~

be kind enough(or so kind as) to ~~~

such + 명사 + as to + 동사원형

I have enough time(or time enough) to read the newspaper. 

be old enough(so old as) to ~~~

be kind enough(so kind as) to ~~~

be + 형용사 + enough to ~ 

be so + 형용사 + as to ~ 

be fortunate enough(so fortunate as) to ~ 

be bold enough(so bold as) to ~

be foolish enough(so foolish as) to ~ 

be brave enough(so brave as) to ~ 

be cruel enough(so cruel as) to ~ 

The child is old enough to go to school. 

He was so kind as to meet me at the station. 

The fog was so dense that they lost their way. 

I am not so rich that I can buy a new car. 

so 형용사 as to + 동사원형 = such + 명사 + as to + 동사원형

I am not such a fool as to believe what you say.