先说一下两者的异同:v-ing形式表现在的状态,to+v形式表将来,意思是“将要去...”;二者在句子中作的成分差不多。
举例说明吧。
1.做主语
Being a teacher is his will.(作为一名教师是他的愿望------有可能他已经是一名教师了。)
To be a teacher is his will.(去做一名教师<表将来>是他的愿望)
2.做表语
His will is being a teacher.
His will is to be a teacher.
remember v-ing作主语
v-ing 一般是正在嘛 就是它的术语啊
动词不定式to一般就是将要
you can read the grammer book yourself.