| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there has [been] [det] [noun] | 299 |
|
| 2 | there has [adv] [been] [det] | 101 |
|
| 3 | has [adv] [been] [det] [noun] | 87 |
|
| 4 | there has [adv] [been] [noun] | 55 |
|
