| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [det] period | 2431 |
|
| 2 | [prep] [det] period | 2431 |
|
| 3 | over [det] [noun] | 1549 |
|
| 4 | over [det] [noun sg] | 834 |
|
| 5 | over [det] period | 137 |
|
| 6 | over [adj] period | 134 |
|
| 7 | over [det] period | 131 |
|
