| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [verb] | 37993 |
|
| 2 | [verb] [been] send | 678 |
|
| 3 | have [been] send | 678 |
|
| 4 | [vb past] [been] send | 314 |
|
| 5 | had [be] send | 291 |
|
