| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adj] period of [noun sg] | 782 |
|
| 2 | over [art] period of [noun sg] | 199 |
|
| 3 | over [art] [adj] period of | 160 |
|
| 4 | over [art] [adj] period [noun sg] | 8 |
|
| 5 | over [adj] period of [noun sg] | 6 |
|
