Sentence examples for be sure of observing from inspiring English sources

In addition, the study sample was restricted to deliveries occurring at national referral, regional and district hospitals so that we could be sure of observing at least one delivery per day.

But at one point he observed that he could not be sure of the Palestinian Authority's plans.

In order to be sure of the validity of the results, experimental validation is necessary.

But how can we be sure of those age estimates?

How to be sure of the diagnosis?

This we cannot be sure of.

Be sure of yourself.

Be sure of everything!

Be sure of the look.

Be sure of your standing.

Be sure of the source!