He has a deep interest in Western culture.

He used a special fertilizer to force the growth of tomatoes.

He succeeded in forcing the cultivation of tomatoes.

His voice is very attractive.

We have started the manufacture of a new product.

We are working on the production of a new movie.

He seriously reflected on his actions.

He reflected seriously on his actions.

He continues to search for the secret of longevity.

He vowed eternal love to her.