Example sentences of "over a prolonged period [prep] [noun sg] " in BNC.
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| 1 | Because a teacher is concerned with a whole person over a prolonged period of time … so he tends to become involved as a whole person . |
| 2 | A stability test involves the accumulation of a substantial amount of data over a prolonged period of time and may require the production of reports at several stages of the test . |
| 3 | Should you experience any of the symptoms over a prolonged period of time , it is always advisable to have a check-up to ensure that you do not have a condition which requires professional help . |
| 4 | Declining per capita income over a prolonged period of time usually results in a change of government , sometimes after a revolution or a military coup . |
| 5 | The only people who are likely to experience extended periods of spontaneous regression are those who have been practising deep meditation over a prolonged period of time and have reached a high degree of competence in this field . |
| 6 | themselves admit that ‘ a definitive answer to the question of job techniques and job autonomy could be provided only by systematic and direct observation over a prolonged period of time ’ . |
| 7 | Er , I think anti-depressants can be helpful for a certain length of time but not for over a prolonged period of time . |