that引导宾语从句时不可省略的九种情况一、在英式英语中动词add, agree, announce, argue, assume, complain, decide, hold, indicate, insist, intend, learn, promise, point out, remark, suggest, state等之后的宾语从句的引导词that需保留。例如：I complained that I had been unfairly treated.二、及物动词后跟有两个或两个以上的宾语从句时，最后一个从句的that不可省略。例如：I realize that I”m in charge and that everybody accepts my leadership.三、当动词后跟有复合宾语结构时，it作形式宾语，that从句作真正宾语，引导词that不可省略。例如：We consider it an honor that we can have the pleasure of serving you.四、当动词和that从句之间有插入
