| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb infin] [adv] [to-vb] be | 5 |
|
| 2 | [adv] [vb infin] [adv] to have [be] | 5 |
|
| 3 | [adv] [vb infin] [adv] [to-vb] been | 5 |
|
| 4 | [adv] [vb infin] [adv] [to-vb] [been] | 5 |
|
