| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have taken so long | 20 |
|
| 2 | had [vb pp] so long | 13 |
|
| 3 | has [vb pp] so long | 9 |
|
| 4 | have waited so long | 7 |
|
| 5 | have lived so long | 6 |
|
| 6 | 've [vb pp] so long | 6 |
|
