| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [art] [adj] period of | 238 |
|
| 2 | [noun prp] for [art] [adj] period | 23 |
|
| 3 | [noun prp] for [art] period of | 15 |
|
| 4 | [noun prp] for [art] [adj] of | 11 |
|
