| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] [been] [noun] [prep] | 10 |
|
| 2 | should have [been] [noun] [prep] | 10 |
|
| 3 | should [vb infin] [been] [noun] [prep] | 10 |
|
| 4 | should [vb infin] been [noun] [prep] | 10 |
|
| 5 | should [vb infin] [been] [noun sg] [prep] | 5 |
|
