| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had been [v-ing] for | 265 |
|
| 2 | they had been [v-ing] [prep] | 110 |
|
| 3 | they had been [v-ing] [prep] | 110 |
|
| 4 | they [verb] been [v-ing] for | 85 |
|
| 5 | they have been [v-ing] for | 85 |
|
| 6 | they had been [verb] for | 69 |
|
| 7 | they [vb past] been [v-ing] for | 43 |
|
| 8 | they had been [v-ing] for | 36 |
|
| 9 | they had [been] [v-ing] for | 36 |
|
| 10 | they had be [v-ing] for | 36 |
|
| 11 | they had [be] [v-ing] for | 36 |
|
