| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [v-ing] [prep] [art] | 721 |
|
| 2 | that had [been] [v-ing] [prep] | 57 |
|
| 3 | that had [been] [prep] [art] | 30 |
|
| 4 | that had [been] [v-ing] [art] | 5 |
|
