不是
Jack(主语) found (谓语)a new book(宾语)lying) on the ground(分词短语做宾补)
=Jack(主语) found (谓语)a new book was lying on the ground (宾语从句)
不是
Jack(主语) found (谓语)a new book(宾语)lying) on the ground(分词短语做宾补)
=Jack(主语) found (谓语)a new book was lying on the ground (宾语从句)