| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [prep] a long period | 17 |
|
| 2 | [conj] over a [adj] period | 17 |
|
| 3 | [conj] [prep] a long period | 17 |
|
| 4 | [conj] over a long [noun sg] | 14 |
|
| 5 | [conj] over a long [noun] | 14 |
|
| 6 | [conj] over a long period | 11 |
|
| 7 | [conj] over [art] long period | 11 |
|
| 8 | [conj] over a long period | 11 |
|
| 9 | [conj] over [art] long period | 11 |
|
| 10 | [conj] over a long period | 11 |
|
