| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [v-ing] for | 496 |
|
| 2 | had [been] there for | 48 |
|
| 3 | had [been] [v-ing] there | 28 |
|
| 4 | [been] [v-ing] there for | 24 |
|
