| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] long [been] [noun pl] [prep] | 10 |
|
| 2 | have long [been] [noun pl] [prep] | 10 |
|
| 3 | have long [been] [noun pl] [prep] | 7 |
|
| 4 | [vb base] long [been] [noun pl] [prep] | 7 |
|
