| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had [not/n't] [verb] | 330 |
|
| 2 | it had [not/n't] [vb pp] | 326 |
|
| 3 | it have [not/n't] worked | 35 |
|
| 4 | it [verb] [not/n't] worked | 35 |
|
| 5 | [pron] had [not/n't] worked | 34 |
|
| 6 | [pers pn] had [not/n't] worked | 28 |
|
| 7 | it had [adv] worked | 15 |
|
| 8 | it had [not/n't] worked | 12 |
|
| 9 | it [vb past] [not/n't] worked | 12 |
|
| 10 | it had [not/n't] work | 12 |
|
