I enjoy teaching

I enjoy teaching I enjoy teaching 和 I enjoy watching TV I [ ] in the school since I graduated from my college. I really enjoy my teaching .A, have been teaching B , taught C, have been taught [请说明原因,谢谢】 teaching teaching i enjoy oneself I enjoy being myself i enjoy losing face i enjoy losing i enjoy losing I enjoy them. i enjoy being a I ENJOY LOSING FACE i enjoy losing I enjoy reading I really enjoy ( ) today. I really enjoy I am teaching English.为什么teaching是现在分词?my job is teaching english 为什么teaching是动名词?