As a result of understanding the grammar of resultative, his Japanese sentences became more natural.

He lost his arm in an accident and became an amputee.

He crossed the snowfield alone.

Nobody bought his poor paintings.

He believes in the theory that people are intrinsically virtuous, thinking that people are essentially good.

We are planning to start setting up for tomorrow's event.

We need to start setting up for tomorrow's event.

The deep snow covered the road, and cars could not pass.

He proposed a new theory about the problem.

He injured his knee joint.