| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [vb infin] [been] [adj] | 705 |
|
| 2 | it [vb mod] [vb infin] [been] [adj] | 705 |
|
| 3 | [pron] should [vb infin] [been] [adj] | 96 |
|
| 4 | [pers pn] should [vb infin] [been] [adj] | 79 |
|
| 5 | it should [vb infin] [been] [adj] | 27 |
|
| 6 | it should [vb infin] [be] [adj] | 19 |
|
| 7 | it should [verb] [been] [adj] | 19 |
|
| 8 | it should [vb infin] [been] [adj] | 19 |
|
| 9 | it should [vb infin] [been] [adj] | 19 |
|
