| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] [been] [verb] | 881 |
|
| 2 | should [vb infin] [been] [vb pp] | 751 |
|
| 3 | [vb mod] [vb infin] [been] delivered | 14 |
|
| 4 | [modal v] [vb infin] [been] delivered | 14 |
|
| 5 | should [verb] [been] delivered | 6 |
|
| 6 | should [vb infin] [been] delivered | 6 |
|
| 7 | should [vb infin] [been] deliver | 6 |
|
| 8 | should [vb infin] [be] delivered | 6 |
|
