Change the speech:
The doctor says, "It is better you undergo a surgery next week."

Question

Change the speech: 
The doctor says, "It is better you undergo a surgery next week."

Admin · Accepted Answer

The doctor says that it is better I undergo a surgery the following week.

Admin · Answer

The doctor advised me to undergo a surgery the following week.

Admin · Answer

The doctor says that it was better I under went a surgery the coming week.

Admin · Answer

The doctor advises that it is better I under went a surgery the following week.

Q. Change the speech:
The doctor says, "It is better you undergo a surgery next week."