| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] been a time | 12 |
|
| 2 | [vb mod] [vb infin] been a time | 12 |
|
| 3 | must [vb infin] been a time | 7 |
|
| 4 | must [vb infin] been a time | 7 |
|
| 5 | [vb infin] been a [adj] time | 10 |
|
| 6 | [vb infin] been a [adj] time | 8 |
|
| 7 | [vb infin] been a time [adv] | 8 |
|
| 8 | [vb infin] been a time when | 8 |
|
| 9 | [vb infin] been a time when | 8 |
|
| 10 | [vb infin] been a time [Wh adv] | 8 |
|
