This building needs repairs because it has worn out.

They launched a surprise attack at dawn.

They made a surprise attack on the enemy base.

He was so excellent that he was allowed to skip a grade.

He skipped a grade because of his excellent grades.

This mountain is steep, making it difficult to climb.

The steepness of this mountain is a big challenge for climbers.

My horse is kept in that stable.

This field is using stable manure as fertilizer.

He took the horse to the stable.