| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [det] a [adj] [noun] | 1985 |
|
| 2 | [prep] [det] a [adj] [noun sg] | 1817 |
|
| 3 | [prep] [det] [art] [adj] period | 26 |
|
| 4 | [prep] [adj] a [adj] period | 26 |
|
| 5 | [prep] [det] a [adj] period | 26 |
|
| 6 | [prep] [det] [art] [adj] period | 26 |
|
| 7 | [prep] [det] a [adj] period | 26 |
|
| 8 | [prep] [det] a [adj] period | 26 |
|
