| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | shall [vb infin] been [adv] [vb pp] | 5 |
|
| 2 | shall [vb infin] [been] [adv] [vb pp] | 5 |
|
| 3 | shall have [been] [adv] [vb pp] | 5 |
|
