| No | Pattern | Freq | Relations |
|---|---|---|---|
| 31 | over a period [prep] time [conj] | 17 |
|
| 32 | over a period [prep] time [coord] | 16 |
|
| 33 | over a period [prep] time and | 14 |
|
| 34 | over a period [prep] time and | 14 |
|
| 35 | over a period [prep] time [prep] | 11 |
|
| 36 | over a period [prep] time [prep] | 11 |
|
| 37 | over a period [prep] time [verb] | 9 |
|
| 38 | over a period [prep] time [pron] | 8 |
|
| 39 | over a period [prep] time [art] | 7 |
|
| 40 | over a period [prep] time [art] | 7 |
|
| 41 | over a period [prep] time [pers pn] | 6 |
|
| 42 | over a period [prep] time the | 6 |
|
| 43 | over a period [prep] time the | 6 |
|
