| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should have been [vb pp] [prep] | 334 |
|
| 2 | [modal v] have been [vb pp] on | 129 |
|
| 3 | should have been [verb] on | 20 |
|
| 4 | should have [been] [vb pp] on | 15 |
|
| 5 | should [verb] been [vb pp] on | 15 |
|
| 6 | should have been [vb pp] on | 15 |
|
| 7 | should have [be] [vb pp] on | 15 |
|
| 8 | should have be [vb pp] on | 15 |
|
| 9 | should [vb infin] been [vb pp] on | 15 |
|
