| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] over a [adj] [noun sg] period | 36 |
|
| 2 | [noun sg] over a [num] [noun sg] period | 33 |
|
| 3 | [noun sg] over a three [noun sg] period | 5 |
|
| 4 | [noun sg] over a three [noun sg] period | 5 |
|
