| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] of [noun prp] | 14487 |
|
| 2 | [adj] period of | 2048 |
|
| 3 | [adj] period [noun prp] | 77 |
|
| 4 | period of [noun prp] | 67 |
|
