肯定句中,只有做行为动词的“dare”,例如:I dare to go out alone in the darkness.
否定句中,行为动词和实意动词的“dare”都可以,例如：
I don't dare to go out alone in the darkness.(实义）
I dare not go out alone in the darkness.（行为）
疑问句中,行为动词和实意动词的“dare”也都可以,例如：
Do you dare(to) go out alone in the darkness?
Dare you dare go out alone in the darkness?