please help me tutor!!!!

1. Can an existing general partnership be converted to a limited partnership? If so allowed, explain how it can legally be done? 2. Can an existing single proprietorship be converted into partnership? If allowed under existing laws, how shall it be done if it will be converted to a general partnership or limited partnership? 3. Any research work on limited partnerships whether in the Philippines or abroad. 4. Research work on how limited partnerships are regulated in other countries