| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] time [prep] | 1296 |
|
| 2 | a [adj] period [prep] | 1182 |
|
| 3 | a [adj] time period | 41 |
|
| 4 | [adj] time period [prep] | 13 |
|
| 5 | a time period [prep] | 5 |
|
