| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [vb pp] to | 1968 |
|
| 2 | they had [been] [vb pp] | 907 |
|
| 3 | they had [vb pp] to | 234 |
|
| 4 | they had [been] to | 10 |
|
