| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there has [been] a [adj] | 804 |
|
| 2 | there has n't [been] a | 36 |
|
| 3 | there has n't [been] [adj] | 26 |
|
| 4 | has n't [been] a [adj] | 24 |
|
