| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] long [noun pl] of time | 8 |
|
| 2 | [vb pp] [prep] long periods of time | 8 |
|
| 3 | [vb pp] [prep] long [noun pl] of time | 8 |
|
| 4 | [vb pp] for long [noun pl] of time | 6 |
|
| 5 | [vb pp] for long [noun pl] of time | 6 |
|
