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eg: I’m glad/pleased to see you. We were surprised to hear the news. : so + adj. / adv. + as to do… such + adj. + n. +as to do… adj. / adv.+ enough + to do too + adv. / adj. +to do ③ We hurried to the station only to find the train had left. He was so foolish as to believe it. = He was such a fool as to believe it. = He was foolish enough to believe it. I’m too tired to walk any further tonight. ①② Ⅵ . 作賓補 I didn’t ask you to pay for the meal. They have warned us to be careful of rats. 不定式在下列動詞后作賓語補足語時,要省略 to “感覺” feel “聽” hear, listen to “使役動詞” have, make, let “看” see, look at, observe, watch, notice 但當(dāng)以上的動詞用于被動式, to要還原: 1. They saw the boy fall suddenly from the tree. The boy was seen to fall suddenly from the tree. 2. Mother made John wash the car for a week. John was made to wash the car for a week. 動詞不定式的時態(tài)和語態(tài) 一般式 完成式 進行式 完成進行式 to do to have done to be doing to have been