簡單而言,分詞構句就是把兩句簡單句（simple sentence)合併成一句組合句(compound sentence)
Helen was tired.
Helen went to bed early yesterday.
這兩個句子中,我們強調Helen went to bed early.（主要子句）的原因是she was tired.
這句就變成了Being tired, Helen went to bed early yesterday.
This book is written for young kids.（被動）
This book has a lot of photos in it.
在這兩個簡單句中要強調的是This book has many photos. Because it is written for young kids.
所以這句就變成了Being written for young kids, this book has a lot of photos in it.
所以這句就成了Written for young kids, this book has a lot of photos in it.
1. Peter was hit by the truck. Peter was sent to the hospital.
2. Little Daisy is singing happily. Little Daisy is going to the party.
3. The picture was drawn carefully. The picture is very beautiful.
4. Tom's father left no money. Tom's father died.
1. (Being) hit by the truck, Peter was sent to the hospital.
2. Singing happily,, little Daisy is going to the party.
3. (Being) drawn carefully, the picture is very beautiful.
4. Tom's father died, leaving no money.