1. Did he sail with three small ships into the Atlantic ocean in 1492? (общий)
2. Who sailed with three small ships into the Atlantic ocean in 1492? (с who)
3. Did he sail with three small ships into the Atlantic or Pacific ocean in 1492? (альтернативный)
4. He sailed with three small ships into the Atlantic ocean in 1492, didn`t he? (разделительный)
5. When did he sail with three small ships into the Atlantic ocean? (специальный)