| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] a long time and | 10 |
|
| 2 | [vb pp] [prep] a long time and | 10 |
|
| 3 | [vb pp] [prep] a long time and | 10 |
|
| 4 | [vb pp] for a long time and | 8 |
|
