| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] for a [adj] period | 67 |
|
| 2 | [adv] for a [adj] period | 62 |
|
| 3 | [adv] for a [adj] period | 50 |
|
| 4 | [adv] for a short period | 21 |
|
| 5 | [adv] for a short period | 21 |
|
| 6 | only for a [adj] period | 17 |
|
| 7 | only for a [adj] period | 17 |
|
| 8 | [adv prt] for a [adj] period | 15 |
|
| 9 | [adv] for a long period | 7 |
|
| 10 | [adv] for a brief period | 7 |
|
| 11 | [adv] for a brief period | 7 |
|
| 12 | [adv] for a limited period | 6 |
|
| 13 | [adv] for a limited period | 6 |
|
| 14 | apart for a [adj] period | 5 |
|
| 15 | [adv] for a continuous period | 5 |
|
| 16 | apart for a [adj] period | 5 |
|
| 17 | [adv] for a continuous period | 5 |
|
| 18 | on for a [adj] period | 5 |
|
| 19 | on for a [adj] period | 5 |
|
| 20 | [adv] for a [adj -er] period | 5 |
|
