用语言说服学生相信自己具有完成给定任务的能力，会使学生在遇到困难时付出

To convince students to believe that they have the ability to perform a given task with the language, students will make greater efforts in the face of difficulties. Spoken English for students to give more positive comments and encourage teachers in the classroom, it will help enhance the confidence of students' oral expression.

Using language to convince students that they have the ability to accomplish a given task will make students work harder when they are in trouble. In the classroom teachers give students more positive evaluation and encouragement of oral English, will be conducive to enhance students' confidence in oral expression.

Persuading students to believe that they have the ability to complete a given task with language will make them pay more efforts in the face of difficulties. In the classroom, teachers give more positive evaluation and encouragement to students' oral English, which will help to enhance students' confidence in oral expression.