新课标人教版课件系列高中英语选修( 模块）7-1.1GrammarThe infinitive在句中的成分 1. To obey the laws is important. 2. My wish is to be a doctor. 3. I want to do it myself. 4. We think it important to obey the laws. 5. He has a lot of homework to do. 6. He came to help me with my maths. 7. We allow you to enter the hall.在句中的成分主语 有时it 作形式主语真正的主语是不定式It is important to obey the laws.表语 一般紧跟在系动词be, seem, remain, appear, get 等的后面宾语 不定式用在及物动词的后面 例如 agree, ask, decide, happen, promise 等等。宾语， it 为形式宾语，真正的宾语为不定式在句中的成分定语。不定式所修饰的名词或者
