| No | Pattern | Freq | Relations |
|---|---|---|---|
| 31 | [adv] active period [prep] | 5 |
|
| 32 | [adv] difficult period [prep] | 5 |
|
| 33 | [adv] lengthy period [prep] | 5 |
|
| 34 | [adv] [vb pp] period [prep] | 5 |
|
| 35 | [adv] early period [prep] | 5 |
|
| 36 | [adv] longer period [prep] | 5 |
|
| 37 | [adv] important period [prep] | 5 |
|
| 38 | [adv] period [prep] [adj] | 5 |
|
| 39 | [adv] period [prep] [num] | 5 |
|
