| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] [art] [adj] period that | 6 |
|
| 2 | [noun sg] [prep] [art] [adj] period that | 6 |
|
| 3 | [noun sg] [prep] [adj] period [verb] that | 5 |
|
