She is not sure whether she formed the intention to make up a missed Ramadan fast before dawn or not, so she changed her intention to observing a voluntary fast

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Ramadan began when he was in another country but he did not fast with them because he was travelling. Does he have to make up that fast?
She vomited involuntarily whilst she was fasting, and she thought that it was obligatory to make up that day, then whilst she was making it up she found out that her first fast has been valid; should she complete that day or break her fast?

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Related Answers:
If a person did not fast in Ramadan, with no excuse, and broke the fast deliberately during the month, does he have to make up the days he did not fast?
She intended to fast ‘Arafah to make up a missed (obligatory) fast one week before ‘Arafah, then she forgot that intention and fasted it as a voluntary fast; is that acceptable in order to make up the missed (obligatory) fast?
She did not fast because she was unaware that fasting was obligatory for her; does she have to make up the fasts?
Ramadan began when he was in another country but he did not fast with them because he was travelling. Does he have to make up that fast?
She vomited involuntarily whilst she was fasting, and she thought that it was obligatory to make up that day, then whilst she was making it up she found out that her first fast has been valid; should she complete that day or break her fast?

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She used to do the secret habit and did not do ghusl but she fasted and prayed