The buttons on my coat became unfastened.
The word unfastened is a verb. It is the past tense of unfasten.
Opened.
unfastened, unclosed
Bolts do not travel on their own, but they are typically installed or removed with the use of a wrench or other tool. They can be fastened or unfastened by turning them clockwise (to tighten) or counterclockwise (to loosen).
Unnatatched or unfastened are big synonyms for loose
i do not know how to use embalming in a sentence. (there is the sentence)
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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