He battens down the hatches before the storm.

They battened down the hatches before the storm hit.

He ground down the coffee beans to make a fresh cup of coffee.

They are battening down the hatches before the storm hits.

He is grinding down the metal to make it smooth.

He grinds down the coffee beans to make a fresh cup of coffee.

She notes down all the important information in her notebook.

I noted down all the important points from the meeting.

I am noting down all the important points from the meeting.

I have written down all the important information.