Adverbs of frequency indicate how often an action occurs in a sentence. They are placed before the main verb or after auxiliary verbs.
Adverbs of frequency indicate how often an action happens. Common adverbs of frequency include always, often, sometimes, and never. They are usually placed before the main verb but after auxiliary verbs. For example, in the sentence 'My brother always sleeps until half past eleven,' always is the adverb of frequency placed correctly before the verb.
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