| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adj] period of | 132 |
|
| 2 | [adv] short period of | 54 |
|
| 3 | [adv] short period of | 50 |
|
| 4 | very [adj] period of | 41 |
|
| 5 | relatively [adj] period of | 31 |
|
| 6 | [adv] long period of | 26 |
|
| 7 | [adv] long period of | 21 |
|
| 8 | most [adj] period of | 20 |
|
| 9 | [adv] [adj -er] period of | 10 |
|
| 10 | [adv] [det] period of | 10 |
|
| 11 | much [adj] period of | 7 |
|
| 12 | [adv] lengthy period of | 5 |
|
| 13 | [adv] longer period of | 5 |
|
| 14 | particularly [adj] period of | 5 |
|
| 15 | [adv] lengthy period of | 5 |
|
