Annul his marriage to Queen Catherine 动作的发出者不是King Henry (have sth. done),所以so as to 逻辑主语不明确
LS的好像不对吧~
EG:
He ran quickly so as to catch the last bus. 他跑得很快以便赶上那末班车。 The two lovers dropped back so as to be alone. 那对情人落在后面,为的是两人好单独在一起。 I left a message so as to be sure of contacting her. 我留下了张条子以便与她取得联系