| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i have [not/n't] seen | 628 |
|
| 2 | i have seen a | 107 |
|
| 3 | i have [not/n't] a | 91 |
|
| 4 | have [not/n't] seen a | 61 |
|
