| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [modal v] have been [vb pp] [prep] | 122 |
|
| 2 | [pron] should have been [vb pp] [prep] | 105 |
|
| 3 | [pers pn] should have been [vb pp] [prep] | 71 |
|
| 4 | they should have been [verb] [prep] | 16 |
|
| 5 | they should have been [vb pp] [prep] | 12 |
|
| 6 | they should have [be] [vb pp] [prep] | 11 |
|
| 7 | they should [verb] been [vb pp] [prep] | 11 |
|
| 8 | they should have be [vb pp] [prep] | 11 |
|
| 9 | they should have [been] [vb pp] [prep] | 11 |
|
| 10 | they should have been [vb pp] [prep] | 11 |
|
