| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] long period | 11 |
|
| 2 | [verb] [vb pp] long periods | 11 |
|
| 3 | [verb] [vb pp] long period | 10 |
|
| 4 | [verb] spent long period | 6 |
|
| 5 | have [vb pp] long period | 6 |
|
| 6 | [vb base] [vb pp] long period | 6 |
|
