| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [adj] [noun] [prep] a period | 18 |
|
| 2 | of [adj] [noun] [prep] a period | 14 |
|
| 3 | of [adj] [noun] over a period | 10 |
|
| 4 | of [adj] [noun pl] [prep] a period | 9 |
|
| 5 | of [adj] [noun sg] [prep] a period | 9 |
|
