| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] [vb infin] been | 19 |
|
| 2 | [pron] [not/n't] [vb infin] been | 17 |
|
| 3 | it [not/n't] [verb] been | 17 |
|
| 4 | it [not/n't] [vb infin] be | 15 |
|
| 5 | it [not/n't] [vb infin] [been] | 15 |
|
| 6 | it [not/n't] [vb infin] [be] | 15 |
|
