| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over [art] [adj] period in [adj] | 9 |
|
| 2 | over [art] [adj] period in [adj] | 9 |
|
| 3 | over the [adj] period in [adj] | 9 |
|
| 4 | over the [adj] period in [adj] | 9 |
|
| 5 | over [art] [det] period in [adj] | 8 |
|
| 6 | over [art] same period in [adj] | 8 |
|
| 7 | over [art] same period in [adj] | 8 |
|
| 8 | over [art] [adj] period in [num] | 8 |
|
| 9 | over [art] [adj] period in 1990 | 5 |
|
| 10 | over [art] [adj] period in 1990 | 5 |
|
