| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in a [adj] [noun] | 38687 |
|
| 2 | in a [adj] [noun sg] | 36666 |
|
| 3 | [prep] a [adj] period | 1796 |
|
| 4 | in [art] [adj] period | 1108 |
|
| 5 | in [art] [adj] period | 1108 |
|
| 6 | in a [adj] period | 109 |
|
| 7 | in a [adj] period | 98 |
|
