| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] had been [v-ing] [prep] | 80 |
|
| 2 | [conj] had been [v-ing] [prep] | 80 |
|
| 3 | [conj] had been [verb] for | 74 |
|
| 4 | [conj] [verb] been [v-ing] for | 55 |
|
| 5 | [conj] have been [v-ing] for | 55 |
|
| 6 | [conj] had [been] [v-ing] for | 15 |
|
| 7 | [conj] had [be] [v-ing] for | 15 |
|
| 8 | [conj] had been [v-ing] for | 15 |
|
| 9 | [conj] [vb past] been [v-ing] for | 15 |
|
| 10 | [conj] had be [v-ing] for | 15 |
|
