Frequency adverbs say how often something happens. In most sentences they go before the main verb, but after the verb be.
| Adverb | How often |
|---|---|
| always | every time |
| usually | most times |
| often | many times |
| sometimes | some times |
| rarely / hardly ever | not many times |
| never | no times |
In a neutral sentence, the frequency adverb goes before the main verb.
In a neutral sentence the adverb goes after be. In an emphatic clause it can come before be, for example when be itself carries the stress: it never IS quiet here.
With an auxiliary or modal verb, the adverb goes after the first auxiliary and before the main verb.
Never already makes a sentence negative, so standard English does not add not: she is never late, not "she isn't never late" (a double negative). For a softer negative, use not + often.
Use ever in questions about life or habits; ever goes before the main verb. Use how often at the start to ask about frequency.
Sometimes and often can also go at the start or the end of a sentence. A neutral statement does not start with always, ever or never.
✗She goes always home by bus.
✓She always goes home by bus.
In a neutral sentence the adverb goes before the main verb (goes), not after it.
✗She always busy is on Fridays.
✓She is always busy on Fridays.
With be + adjective, is comes before the adjective: she is busy. The verb-final order "she always busy is" is not possible in this clause, and the adverb follows be in the neutral order.
✗They watch never the news.
✓They never watch the news.
The adverb goes before the main verb, not between the verb (watch) and its object (the news).
✗Never we drink tea after lunch.
✓We never drink tea after lunch.
In a neutral statement never goes before the main verb. Fronting never in a full clause like this is a formal, emphatic pattern and needs inversion: never do we drink tea.
See Basic word order: verb, object, place and time for the basic sentence order, Adverb position for all adverb types, and The present simple for the present simple.
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