| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [noun sg] [prep] a [adj] | 29008 |
|
| 2 | [noun sg] [prep] a [adj] period | 519 |
|
| 3 | the [noun sg] [prep] [adj] period | 194 |
|
| 4 | the [noun sg] [prep] a period | 125 |
|
