| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [prep] [det] time | 5 |
|
| 2 | [modal v] [verb] been at [det] time | 5 |
|
| 3 | [modal v] [vb infin] been [prep] [det] time | 5 |
|
| 4 | [vb mod] [verb] been [prep] [det] time | 5 |
|
| 5 | [modal v] have been [prep] [det] time | 5 |
|
