| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been a long time since | 20 |
|
| 2 | have been a long time since | 20 |
|
| 3 | had been a long time since | 13 |
|
| 4 | [vb past] been a long time since | 13 |
|
| 5 | [vb -s] been a long time since | 7 |
|
| 6 | 's been a long time since | 5 |
|
| 7 | been a long time since [pron] | 15 |
|
| 8 | been a long time since [pers pn] | 14 |
|
| 9 | been a long time since she | 7 |
|
| 10 | been a long time since she | 7 |
|
