賓補是to do,例如:
1。He caught hold of her wrists so she couldn‘t get away。他抓住她的手腕,使她無法掙脫。
2。He caught hold of her arm as she tried to push past him。她試圖從他身邊擠過去時,他一把抓住了她的手臂。
3。All that money for two hours’ work ─ what‘s the catch?幹了兩小時的活就給那麼多錢——這裡面有什麼鬼?
沒錯
sb是賓語 doing是賓補