| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he had [been] [v-ing] for | 74 |
|
| 2 | he had been [v-ing] for | 74 |
|
| 3 | he had [be] [v-ing] for | 74 |
|
| 4 | he had be [v-ing] for | 74 |
|
| 5 | he had [be] waiting for | 13 |
|
| 6 | he had [be] looking for | 8 |
|
| 7 | he had [be] working for | 6 |
|
| 8 | he had [be] searching for | 5 |
|
