| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] [adv] [prep] | 370 |
|
| 2 | have been [v-ing] [adv] for | 362 |
|
| 3 | [verb] been [v-ing] [adv] for | 362 |
|
| 4 | had been [verb] [adv] for | 228 |
|
| 5 | [vb past] been [v-ing] [adv] for | 98 |
|
| 6 | had be [v-ing] [adv] for | 84 |
|
| 7 | had [been] [v-ing] [adv] for | 84 |
|
| 8 | had [be] [v-ing] [adv] for | 84 |
|
