| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [that] [det] period [prep] | 6 |
|
| 2 | [that] [adj] period [prep] | 6 |
|
| 3 | that [adj] period [prep] | 6 |
|
| 4 | [that] this period [prep] | 5 |
|
| 5 | [that] [adj] period of | 5 |
|
| 6 | [that] this period [prep] | 5 |
|
| 7 | [that] [adj] period of | 5 |
|
