The sakaki tree plays an important role in Shintoism in Japan.

He is groping for a new idea.

He groped for the way in the darkness.

He found gold dust in the river.

He was lost in deep contemplation.

He pondered deeply and found a solution to the problem.

His new work is very moving.

This year's crop was very abundant.

He was cutting down a tree.

He signed my book.