| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [not/n't] [verb] | 3370 |
|
| 2 | it [vb past] [not/n't] [vb infin] | 3011 |
|
| 3 | [pron] [vb past] [not/n't] have | 2540 |
|
| 4 | it [verb] [not/n't] have | 437 |
|
| 5 | it [vb past] [not/n't] have | 125 |
|
| 6 | it [vb past] [adv] have | 112 |
|
