| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] of [been] [vb pp] | 31 |
|
| 2 | should of [been] [verb] | 9 |
|
| 3 | should of [been] [vb pp] | 6 |
|
| 4 | should of [be] [vb pp] | 6 |
|
| 5 | should [prep] [been] [vb pp] | 6 |
|
| 6 | should [prep] [been] [vb pp] | 6 |
|
