He was promoted to admiral in the navy.

Mr. Yabuue is my best friend.

Please refer to the previous example.

He is deeply studying about the classification of superphylum in his biological research.

He drew a curve using a French curve.

He collapsed due to a subarachnoid hemorrhage.

It's cloudy weather today, isn't it?

He has arachnophobia, and he panics as soon as he sees a spider.

Father, are you well?

You should show respect to your superiors.