| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] such [art] period of time | 5 |
|
| 2 | [prep] such [art] period of time | 5 |
|
| 3 | such [art] [adj] period of time | 5 |
|
| 4 | such [art] [adj] period of time | 5 |
|
