| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have [not/n't] [been] [adj] | 142 |
|
| 2 | it [verb] [not/n't] been [adj] | 142 |
|
| 3 | it [verb] [not/n't] [been] [adj] | 142 |
|
| 4 | it [verb] not [been] [adj] | 102 |
|
| 5 | it [vb -s] [not/n't] [been] [adj] | 101 |
|
| 6 | it has [not/n't] [been] [adj] | 94 |
|
| 7 | it [verb] [not/n't] [been] possible | 46 |
|
| 8 | it had [not/n't] [been] [adj] | 41 |
|
| 9 | it [vb past] [not/n't] [been] [adj] | 41 |
|
| 10 | it [verb] n't [been] [adj] | 40 |
|
| 11 | it [verb] [not/n't] [been] easy | 33 |
|
| 12 | it [verb] [not/n't] [been] able | 10 |
|
| 13 | it [verb] [not/n't] [been] necessary | 8 |
|
| 14 | it 's [not/n't] [been] [adj] | 7 |
|
