| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there have been [adj] | 2448 |
|
| 2 | [pron] have been long | 17 |
|
| 3 | there have be long | 11 |
|
| 4 | there have [be] long | 11 |
|
| 5 | there have [been] long | 11 |
|
| 6 | there [verb] been long | 11 |
|
