| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] [noun] [prep] [art] | 71509 |
|
| 2 | a [adj] period [prep] [art] | 131 |
|
| 3 | a [adj] [noun] period [prep] | 103 |
|
| 4 | [adj] [noun] period [prep] [art] | 73 |
|
| 5 | a [noun] period [prep] [art] | 13 |
|
