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老師進來時 Tom剛巧在大聲說話。Grammar and Usage Tom seemed excited when he heard the good news yesterday. My mother didn’t allow him to go out, for he had lots of homework to do. In order to keep healthy, Jack takes exercise every morning. Leadin Toinfinitive Functions Sample Sentences To find a best friend is difficult. It is difficult to find a best friend. I need to sleep for eight hours every day. Please remember to write to me. Subject Object Functions Sample Sentences I ask him to e over. He ordered Tom to leave at once. I have an important meeting to attend. I have two letters to write. Attribute Object Complement Functions Sample Sentences His intention was to cheer me up. My job is to deliver letters. My dad arranged some swimming lessons to surprise me. He worked hard to provide for his big family. Predicative Adverbial The toinfinitive often follows some verbs as the object of a sentence. Tips want, hope, like, begin, start, try, fet, agree, learn, refuse, dare, decide, determine, fail, manage, offer, prepare, prefer, mean etc. Active Voice Passive Voice Basic form to do to be done Perfect form to have done to have been done Continuous form to be doing Other forms of toinfinitive Practice