| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [verb] for a | 180 |
|
| 2 | [been] [verb] for a long | 54 |
|
| 3 | [vb past] [verb] for a long | 26 |
|
| 4 | [vb past] [been] [verb] a long | 14 |
|
