| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] had [been] [v-ing] [prep] | 759 |
|
| 2 | had [been] [v-ing] [prep] [num] | 83 |
|
| 3 | [pers pn] had [been] [prep] [num] | 65 |
|
| 4 | [pers pn] had [been] [v-ing] [num] | 7 |
|
