| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] for a long period | 24 |
|
| 2 | [verb] for a long period | 22 |
|
| 3 | [noun sg] for a long period | 21 |
|
| 4 | [vb pp] for a long period | 10 |
|
| 5 | [adj] for a long period | 9 |
|
| 6 | [adj] for a long period | 9 |
|
| 7 | for a [adv] long period | 11 |
|
| 8 | for a [adv] long period | 11 |
|
| 9 | for a long period [prep] | 27 |
|
| 10 | for a long period [prep] | 27 |
|
| 11 | for a long period of | 18 |
|
| 12 | for a long period of | 18 |
|
| 13 | for a long period [verb] | 6 |
|
