Please try to familiarize yourself with a dictionary. (Those who don't recognise British 'ise' will say spellcheck as well.)
The word familiar spelled as you have in the question.
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People use scientific models to represent an object or a system and explain it in a way that everyone can relate to, can familiarise with and understand easily.
If used in the context of "to become familiar of", then familiar is already a verb. Another verb would be "familiarise". As in "to familiarise yourself in something".
To familiarise the members with the issues being discussed.
Belgium is in Europe. - You need to take an Atlas and familiarise yourself with your world.
Scientists need to be familiar with the layout of the interiors of space vehicles. They can best do this with full scale mock ups in which they can train and familiarise themselves.
i do not know how to use embalming in a sentence. (there is the sentence)
The word familiar spelled as you have in the question.
if you do not familiarise the system of administration of medication within your organisation
induction training helps to familiarise new employees wih their working environment
Your muster station will be assigned to you. You should familiarise yourself with the ship.
So- you are asking when to use 'when' in a sentence. When you are asking how to use when in a question, you are already using when in a sentence, because a question actually is a sentence. I like to use when in a sentence whenever I like.
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