| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | long been [vb pp] [prep] a | 44 |
|
| 2 | long [been] [vb pp] [prep] a | 44 |
|
| 3 | long [been] [vb pp] [prep] a | 44 |
|
| 4 | long [been] [vb pp] as a | 39 |
|
| 5 | long [been] [vb pp] as a | 39 |
|
| 6 | long [been] regarded [prep] a | 6 |
|
| 7 | long [been] used [prep] a | 6 |
|
