| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a period [prep] a | 49 |
|
| 2 | over a [noun] [prep] a | 49 |
|
| 3 | [prep] a period [prep] a | 49 |
|
| 4 | over a [noun sg] [prep] a | 48 |
|
| 5 | over [art] period [prep] a | 35 |
|
| 6 | over [art] period [prep] a | 35 |
|
| 7 | over a period [prep] [art] | 29 |
|
| 8 | over a period [prep] [art] | 29 |
|
| 9 | over a period [prep] a | 27 |
|
| 10 | over a period [prep] a | 27 |
|
| 11 | over a period [prep] a | 27 |
|
| 12 | over a period [prep] a | 27 |
|
| 13 | over a period [prep] a | 27 |
|
