| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he had been [v-ing] [prep] [adj] | 10 |
|
| 2 | he had [been] [v-ing] [prep] [adj] | 10 |
|
| 3 | he had be [v-ing] [prep] [adj] | 10 |
|
