| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] had [been] [v-ing] [prep] | 23 |
|
| 2 | [coord] had been [v-ing] [prep] | 23 |
|
| 3 | [coord] had be [v-ing] [prep] | 23 |
|
| 4 | and had [be] [v-ing] [prep] | 19 |
|
| 5 | [coord] had [be] [v-ing] for | 8 |
|
| 6 | [coord] had [be] working [prep] | 5 |
|
