I was taught to sing by singing, students listen to first and then the students sing individually based on the first cycle, students do not dare to sing along, but I was trying to encourage them to sing.
I taught to sing by singing to students before and have them sing along each line in the first round, students can not sing, but I was trying to encourage them to sing.
I taught to sing by singing the students to listen to the students sing as a line in the first round of the students dare not sing but I can try to encourage them to sing.