| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [adj] a [noun sg] | 162 |
|
| 2 | the [adj] period [noun sg] | 66 |
|
| 3 | [adj] period a [noun sg] | 38 |
|
| 4 | the [adj] period a | 26 |
|
