sentence: I like walking in the morning every day and I enjoy doing it on my own or with my friends , because it 's very good for my health and also it keeps my body healthy and full of energy .
modified: I like walking in the morning every day and I enjoy doing it with my own or with my friends , and because it 's very useful for my health and also it keeps my body healthy and full of energy .
transformation: PREP, CONJ, ADJ