| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been a long time | 24 |
|
| 2 | had [been] a long time | 24 |
|
| 3 | had be a long time | 24 |
|
| 4 | had [be] a long time | 24 |
|
| 5 | had [be] a long time | 24 |
|
