| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] i had be [v-ing] for | 5 |
|
| 2 | [subord] i had been [v-ing] for | 5 |
|
| 3 | [subord] i had [be] [v-ing] for | 5 |
|
| 4 | [subord] i had [been] [v-ing] for | 5 |
|
