| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [verb] so long | 15 |
|
| 2 | [vb past] [vb pp] so long | 14 |
|
| 3 | had [verb] so long | 14 |
|
| 4 | [vb past] taken so long | 5 |
|
| 5 | [vb past] take so long | 5 |
|
