| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [verb] [prep] | 17588 |
|
| 2 | they had [verb] [prep] | 1669 |
|
| 3 | they had [been] [verb] | 1206 |
|
| 4 | they had [been] [prep] | 201 |
|
| 5 | they [been] [verb] [prep] | 23 |
|
