★ He was sent to England. ★I would fly to Sweden if I were a bird. ★Had I lived in London, I would have been to London Bridge.
What’s the function of the underlined words?
帮助主要动词send构成被动语态
帮助主要动词构成虚拟语气
1 助动词和其他动词一起构成时态、语气和语态。可以用作助动词的有be、do、have和情态动词。
帮助主要动词构成虚拟语气