Когда используется does а когда do?

1.tony is used to love reading ghost stories but now he simply hates them.

2.when he was boy, he would watch every tv programme about the world's mysteries. 

3. i have never believed in dreams until one of them came true. 

ancient and modern  history •  many centuries ago,  our distantunknown  •  •  ancestors of  famous  historians and researchers  •appreciate  the past and present  interest in  the recent events  •  •honor the memory  (to do justice to)  hero (s) of  war