| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had [been] a long time | 17 |
|
| 2 | it [vb past] been a long time | 17 |
|
| 3 | it [vb past] [been] a long time | 17 |
|
| 4 | it [vb past] [been] a long time | 17 |
|
