Because the volunteer knew the deadline was close, she started preparing the forms immediately.
Knowing the deadline was close, the volunteer started preparing the forms immediately.
While the helper was walking around the park, he kept a close eye on all the children.
Walking around the park, the helper kept a close eye on all the children.
I gently took the girl's hand and offered encouragement when I saw her nervous face.
Seeing her nervous face, I gently took the girl's hand and offered encouragement.