| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] an [adj] [noun] | 1588 |
|
| 2 | [adv] [prep] an [adj] [noun sg] | 1547 |
|
| 3 | [adv] [prep] [art] [adj] period | 265 |
|
| 4 | [adv] [prep] [art] [adj] period | 265 |
|
| 5 | [adv] [prep] a [adj] period | 124 |
|
| 6 | [adv] [prep] an [adj] period | 11 |
|
| 7 | [adv] [prep] an [adj] period | 7 |
|
| 8 | [adv] [prep] an [adj] period | 7 |
|
