| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been a long time since | 20 |
|
| 2 | have been [art] long time since | 20 |
|
| 3 | [verb] been [art] long time since | 20 |
|
| 4 | [vb past] been [art] long time since | 13 |
|
| 5 | had been [art] long time since | 13 |
|
| 6 | [vb -s] been [art] long time since | 7 |
|
| 7 | 's been [art] long time since | 5 |
|
