| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] [adj] period of | 36 |
|
| 2 | [adv] [prep] [adj] periods of | 25 |
|
| 3 | [adv] [prep] [adj] period of | 22 |
|
| 4 | [adv] for [adj] period of | 15 |
|
| 5 | [adv] for [adj] period of | 15 |
|
| 6 | [adv] [prep] [det] period of | 13 |
|
| 7 | [adv] [prep] [adj] period of | 11 |
|
| 8 | [adv] [prep] long period of | 9 |
|
| 9 | [adv] [prep] long period of | 8 |
|
| 10 | [adv] in [adj] period of | 6 |
|
| 11 | [adv] in [adj] period of | 6 |
|
| 12 | [adv] [prep] this period of | 5 |
|
| 13 | [adv] [prep] this period of | 5 |
|
| 14 | [adv] [prep] short period of | 5 |
|
| 15 | [adv] [prep] short period of | 5 |
|
