| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [been] see | 149 |
|
| 2 | [not/n't] see since | 23 |
|
| 3 | [been] see since | 20 |
|
| 4 | [not/n't] [been] since | 5 |
|
