| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [conj] over a period of | 7 |
|
| 2 | [noun sg] [conj] over a period of | 6 |
|
| 3 | [conj] [noun] over a period of | 9 |
|
| 4 | [conj] over a period of [noun] | 19 |
|
| 5 | [conj] over a period of [noun sg] | 15 |
|
| 6 | [conj] over a period of time | 14 |
|
| 7 | [conj] over a period of time | 14 |
|
| 8 | [conj] over a period of [adj] | 5 |
|
