| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] had been [v-ing] [prep] | 23 |
|
| 2 | [coord] had been [v-ing] [prep] | 23 |
|
| 3 | [coord] had been [verb] for | 22 |
|
| 4 | [coord] [verb] been [v-ing] for | 20 |
|
| 5 | [coord] have been [v-ing] for | 20 |
|
| 6 | [conj] had been [v-ing] for | 15 |
|
| 7 | [coord] had [been] [v-ing] for | 8 |
|
| 8 | [coord] [vb past] been [v-ing] for | 8 |
|
| 9 | [coord] had been [v-ing] for | 8 |
|
| 10 | [coord] had be [v-ing] for | 8 |
|
| 11 | [coord] had [be] [v-ing] for | 8 |
|
