| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] the [adj] period [prep] | 16 |
|
| 2 | [adv] the [adj] period [prep] | 13 |
|
| 3 | [adv] the [adj] period of | 10 |
|
| 4 | [adv] the [adj] period [prep] | 10 |
|
| 5 | [adv] the [adj] period of | 10 |
|
