| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which had [been] [adv] | 235 |
|
| 2 | they had [been] [adv] | 191 |
|
| 3 | which they had [been] | 87 |
|
| 4 | which they had [adv] | 76 |
|
