| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] for a [adj] [noun] | 605 |
|
| 2 | [noun prp] for a [adj] [noun sg] | 505 |
|
| 3 | [noun] for a [adj] period | 301 |
|
| 4 | [noun prp] [prep] a [adj] period | 35 |
|
| 5 | [noun prp] for [art] [adj] period | 23 |
|
| 6 | [noun prp] for a [adj] period | 19 |
|
