His house has a very modern design.

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

His long talk is just like 'a hundred days of sermonizing without a fart.'

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.