| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [been] a [noun sg] | 371 |
|
| 2 | should [verb] [been] a [noun sg] | 70 |
|
| 3 | it should [verb] a [noun sg] | 41 |
|
| 4 | it should [verb] [been] a | 30 |
|
