| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over [art] [adj] period of | 148 |
|
| 2 | over a [adj] period of | 137 |
|
| 3 | over [art] long period of | 85 |
|
| 4 | over [art] long period of | 78 |
|
| 5 | over the [adj] period of | 17 |
|
| 6 | over [art] [adj -er] period of | 9 |
|
| 7 | over [art] short period of | 8 |
|
| 8 | over [art] prolonged period of | 8 |
|
| 9 | over [art] prolonged period of | 8 |
|
| 10 | over [art] longer period of | 7 |
|
| 11 | over [art] considerable period of | 7 |
|
| 12 | over [art] short period of | 7 |
|
| 13 | over [art] considerable period of | 7 |
|
| 14 | over an [adj] period of | 6 |
|
| 15 | over [art] given period of | 5 |
|
| 16 | over [art] given period of | 5 |
|
