Rewrite the sentence below with an adverb at the beginning vince was five years old when his sister was born

When Vince was five years old, his younger sister was born.

When Vince was five years old his sister was born.

Explanation:

An adverb is a word that modifies an adjective, a verb, a group or words or another adverb. They give a description of when, where, in what manner, how and to what extent something is done. There are different types of adverbs:

Adverbs of manner: they give information about how an action is done. Some examples are slowly, quietly, carefully, easily, etc.Adverbs of place: they give information about where the action took place. Some examples are here, there, above, far, behind, etc.Adverbs of frequency: they give information about how often something occurs. Some examples are never, always, sometimes, usually, frequently, etc.Adverbs of time: they give information about when something occurs. Some examples are last year, today, tomorrow, a month ago, last week, now, etc.Adverbs of purpose: they give information about the reason why something happens. Some examples are because, so that, due to, etc.

When in the sentence -When Vince was five tears old his sister was born- is an adverb of time. it gives information about what time his sister was born, saying that it was when his brother was 5.