一用“及物动词+不定式”结构可以将含有that引导的某些宾语从句的复合句转换成简单句。例如：1. He decided that he would buy a digital camera online.He decided to buy a digital camera online.2. We hoped that we would come back soon.We hoped to come back soon.3. I expect that I shall finish my work by this Sunday.I expect to finish my work by this Sunday.二用“疑问词+不定式“结构可以将某些含有连接代词或连接副词引导的宾语从句转换简单句。例如：1. I dont know which one I can buy .I dont know which one to buy.2. We wonder where well go this Sunday.We wonder
