| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [vb pp] at one | 14 |
|
| 2 | have [been] [vb pp] at time | 9 |
|
| 3 | have [vb pp] at one time | 7 |
|
| 4 | [been] [vb pp] at one time | 7 |
|
