Let's eat something before starting work.

I ate before starting work.

He gulped down the water, perhaps because he was nervous.

Tōru passed through the gate.

I create a balance sheet every month to understand my financial situation.

Let's start the meeting according to Central Standard Time.

Beijing follows China Standard Time.

Let's start the meeting according to Korea Standard Time.

Beijing follows China Standard Time.

I analyze data using a spreadsheet software.