| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adv] [adj] period | 295 |
|
| 2 | a [adv] [adj] period | 267 |
|
| 3 | a [adv] [adj] period | 244 |
|
| 4 | a very [adj] period | 89 |
|
| 5 | a very [adj] period | 89 |
|
| 6 | a [adv] short period | 86 |
|
| 7 | a [adv] short period | 76 |
|
| 8 | a [adv] long period | 58 |
|
| 9 | a relatively [adj] period | 44 |
|
| 10 | a relatively [adj] period | 44 |
|
| 11 | a [adv] [adj -er] period | 43 |
|
| 12 | a [adv] long period | 32 |
|
| 13 | a much [adj] period | 29 |
|
| 14 | a much [adj] period | 29 |
|
| 15 | an [adv] [adj] period | 28 |
|
| 16 | a [adv] longer period | 26 |
|
| 17 | a fairly [adj] period | 13 |
|
| 18 | a fairly [adj] period | 13 |
|
| 19 | a more [adj] period | 12 |
|
| 20 | a more [adj] period | 12 |
|
| 21 | a [adv] brief period | 11 |
|
| 22 | a [adv] brief period | 11 |
|
| 23 | a [adv] shorter period | 10 |
|
| 24 | a [adv] difficult period | 9 |
|
| 25 | a [adv] difficult period | 9 |
|
| 26 | a long [adj] period | 8 |
|
| 27 | a [adv] enough period | 8 |
|
| 28 | a [adv] enough period | 8 |
|
| 29 | a [adv] [det] period | 8 |
|
| 30 | a long [adj] period | 8 |
|
