| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] been a | 1726 |
|
| 2 | [modal v] [vb infin] a time | 52 |
|
| 3 | [vb infin] been a time | 14 |
|
| 4 | [modal v] [vb infin] been time | 7 |
|
