| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adj] [noun] [prep] a period | 49 |
|
| 2 | [art] [adj] [noun sg] [prep] a period | 47 |
|
| 3 | a [adj] [noun] [prep] a period | 25 |
|
| 4 | the [adj] [noun] [prep] a period | 17 |
|
| 5 | [art] [adj] [noun] over a period | 16 |
|
| 6 | [art] [adj] [noun] for a period | 11 |
|
| 7 | an [adj] [noun] [prep] a period | 7 |
|
| 8 | [art] [adj] [noun] of a period | 6 |
|
| 9 | [art] [adj] [noun] with a period | 5 |
|
