| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over a [adj] period [coord] | 9 |
|
| 2 | [noun] over a [adj] period and | 8 |
|
| 3 | [noun] over a [adj] period and | 8 |
|
| 4 | [noun sg] over a [adj] period [conj] | 8 |
|
