I have collected all the Tedder certificates.

The certifiableness of his claim was questioned by the jury.

Many students receive their Junior Certificates at the end of secondary school.

I will make certain that the project is completed on time.

The certificators were awarded to the top performers.

The certificator verified the authenticity of the document.

She made certain that all the documents were in order.

She is making certain that all the documents are in order.

He makes certain that all the tasks are completed on time.

He certie knew how to handle a sword.