| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] [noun] for a [noun] | 368 |
|
| 2 | [adj] [noun] for a period | 66 |
|
| 3 | [num] [noun] [prep] a period | 29 |
|
| 4 | [num] [noun] [prep] a period | 29 |
|
| 5 | [num] [noun] for [art] period | 13 |
|
| 6 | [num] [noun] for [art] period | 13 |
|
| 7 | [num] [noun] for a period | 9 |
|
| 8 | [num] [noun] for a period | 9 |
|
