| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there have been [v-ing] [noun] | 20 |
|
| 2 | there have [been] [v-ing] [noun] | 20 |
|
| 3 | there have [been] [v-ing] [noun pl] | 17 |
|
| 4 | there have [been] [v-ing] [noun] | 10 |
|
| 5 | there had [been] [v-ing] [noun] | 8 |
|
