His secondary role greatly contributed to the success of the team.

Himikoko was an important figure in Japanese history.

The bow is in the bag and the sword is in the sheath.

Thinking sensibly, that plan will not succeed.

This is a preliminary plan.

He is interested in diachronic linguistics studies.

He is interested in synchronic linguistics.

That theory is unscientific and has no evidence at all.

He accidentally held her hand.

He is thought to be a very unsociable person.