go on doing sth,go on to do sth,continue doing sth,continue to do sth,keep doing sth它们有什么区别

go on doing sth 是指停了后,继续做同一件事go on to do sth是停了后,继续做另外一件事如 After dinner,he went on doing his homework.意思是晚饭前他也在做作业After dinner,he went on to do his homework.意思是...