| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] a long period | 129 |
|
| 2 | [noun sg] [prep] a long period | 102 |
|
| 3 | [noun sg] over a long period | 81 |
|
| 4 | [noun sg] over a long period | 81 |
|
| 5 | [noun sg] for a long period | 29 |
|
| 6 | [noun sg] for a long period | 29 |
|
| 7 | [noun sg] [prep] a longer period | 27 |
|
| 8 | [noun sg] of a long period | 10 |
|
| 9 | [noun sg] of a long period | 10 |
|
