| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] there have [been] [noun] | 303 |
|
| 2 | [conj] have [been] [v-ing] [noun] | 57 |
|
| 3 | there have [been] [v-ing] [noun] | 20 |
|
| 4 | [conj] there have [been] [v-ing] | 11 |
|
