| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] have [been] [art] [adj] | 95 |
|
| 2 | [vb mod] [adv] have [been] [art] [adj] | 95 |
|
| 3 | must [adv] have [been] [art] [adj] | 10 |
|
| 4 | must [adv] have [been] [art] [adj] | 10 |
|
| 5 | must [adv] have [be] [art] [adj] | 9 |
|
| 6 | must [adv] [verb] [been] [art] [adj] | 9 |
|
| 7 | must [adv] have [been] [art] [adj] | 9 |
|
