| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [not/n't] be [adj] | 42 |
|
| 2 | it had [not/n't] [be] [adj] | 42 |
|
| 3 | it [vb past] [not/n't] [been] [adj] | 41 |
|
| 4 | it [vb past] [not/n't] been [adj] | 41 |
|
| 5 | it [vb past] not [be] [adj] | 28 |
|
| 6 | it [vb past] n't [be] [adj] | 14 |
|
| 7 | it [vb past] [not/n't] [be] easy | 8 |
|
| 8 | it [vb past] [not/n't] [be] possible | 7 |
|
| 9 | it [vb past] [not/n't] [be] able | 5 |
|
