| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [det] [noun sg] | 190 |
|
| 2 | had [ex0] [been] [det] | 24 |
|
| 3 | [ex0] [been] [det] [noun sg] | 20 |
|
| 4 | had [ex0] [been] [noun sg] | 7 |
|
