| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there has [been] [indef pn] | 40 |
|
| 2 | there has [been] [prep] | 38 |
|
| 3 | has [been] [indef pn] [prep] | 35 |
|
| 4 | there [been] [indef pn] [prep] | 6 |
|
