| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [verb] for a | 564 |
|
| 2 | have [been] [verb] for | 350 |
|
| 3 | have [been] [verb] a | 145 |
|
| 4 | have [verb] for a | 140 |
|
