| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [num] year period | 171 |
|
| 2 | [prep] [art] [num] year period | 171 |
|
| 3 | over [art] [num] [noun] period | 168 |
|
| 4 | over [art] [num] [noun sg] period | 168 |
|
| 5 | over [art] [num] year [noun sg] | 103 |
|
| 6 | over [art] [num] year [noun] | 103 |
|
| 7 | over [art] [num] year period | 94 |
|
| 8 | over [art] [num] year period | 94 |
|
| 9 | over [art] [adj] year period | 94 |
|
| 10 | over [art] [num] year period | 94 |
|
| 11 | over [art] [num] year period | 94 |
|
