Change the voice: China has always tried to settle all issues with India.

To settle all issues with India has always been tried by China.

All issues to be settled with India have always been try by China.

All issues with India have always been tried to settle by China.

None of these

Active voice: "China has always tried to settle all issues with India."

Passive voice: "All issues with India have always been tried to settle by China."

The structure is:

has always tried → have always been tried

Object ("all issues with India") becomes the subject in passive voice.