| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there has [not/n't] [been] | 158 |
|
| 2 | but there has [been] | 92 |
|
| 3 | but has [not/n't] [been] | 21 |
|
| 4 | but there has [not/n't] | 8 |
|
