He was diagnosed with bipolar disorder and began treatment.

I take classes every day.

The doctor diagnosed my symptoms.

The doctor diagnosed his illness.

He accepted my proposal and started the project.

I decided to start a new project.

He came to Japan for the first time.

Since I started studying Japanese, I have been able to understand more about Japanese culture.

He finally recovered after a long period of medical treatment.

He went to the doctor to treat his severe cold.