| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there has [been] | 3130 |
|
| 2 | has [not/n't] [been] | 2939 |
|
| 3 | there has [not/n't] | 185 |
|
| 4 | there [not/n't] [been] | 9 |
|
