(3)Infinitive clause introduced by wh-word or subordinator I don t know what to do/how to do/where to go He opened his lips as if to say something 2) Syntactic functions of infinitive clauses Infinitive clauses can function as adverbial of purpose, result, and cause (1)As an adverbial of purpose, the infinitive is usually with to. She stood up to be seen better. He moved aside for her to be seen better. (2) To denote result, we normally use the simple form of to- infinitive, eg In 1935 he left home never to return He got to the station only to be told that the train had left His work was so good as to make him well-known in the ci His indifference was such as to make us all despair. It was cold enough to freeze our fingers This coffee is too hot ffor us) to drink.◼ (3) Infinitive clause introduced by wh-word or subordinator ◼ I don’t know what to do/how to do/where to go. ◼ He opened his lips as if to say something. ◼ 2) Syntactic functions of infinitive clauses ◼ Infinitive clauses can function as adverbial of purpose, result, and cause. ◼ (1) As an adverbial of purpose, the infinitive is usually with to. ◼ She stood up to be seen better. ◼ He moved aside for her to be seen better. ◼ (2) To denote result, we normally use the simple form of to￾infinitive, eg: ◼ In 1935 he left home never to return. ◼ He got to the station only to be told that the train had left. ◼ His work was so good as to make him well-known in the city. ◼ His indifference was such as to make us all despair. ◼ It was cold enough to freeze our fingers. ◼ This coffee is too hot (for us) to drink