| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been for a long time | 8 |
|
| 2 | [vb base] been for [art] long time | 8 |
|
| 3 | [vb base] been for [art] long time | 8 |
|
| 4 | [vb base] been for a long time | 8 |
|
| 5 | [vb base] been for [art] long time | 8 |
|
| 6 | have been for [art] long time | 7 |
|
