| 21. | The alveolar liquids / l / and / r / are in free variation as in many African languages.
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| 22. | A small fraction of variation in interlanguage is " free variation ", when the learner uses two forms interchangeably.
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| 23. | Older speakers tend to use a trilled in free variation with, while younger speakers tend to use a uvular.
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| 24. | The realization of the phoneme is in free variation between a voiced retroflex lateral and a voiced retroflex stop.
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| 25. | In certain languages, such as Norwegian the voiced labiodental fricative is in a free variation with the labiodental approximant.
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| 26. | Before, there is free variation between this and so that " nanac " ('exceedingly') may be realized as or.
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| 27. | And are reported to be in free variation, although reports of could be a misinterpretation of unaspirated by English speakers.
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| 28. | Otherwise, the phones and are in free variation with each other so that ('my brother') may be realized as either or.
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| 29. | The unusual three stanzas, all beginning with the words " ", are delivered as free variations and closed by a coda.
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| 30. | Free variation in the use of a language feature is usually taken as a sign that it has not been fully acquired.
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