| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [adv] been [v-ing] [prep] | 183 |
|
| 2 | had [adv] been [v-ing] [prep] | 183 |
|
| 3 | had [adv] been [verb] on | 116 |
|
| 4 | [verb] [adv] been [v-ing] on | 33 |
|
| 5 | have [adv] been [v-ing] on | 33 |
|
| 6 | [vb past] [adv] been [v-ing] on | 15 |
|
| 7 | had [adv] [been] [v-ing] on | 13 |
|
| 8 | had [adv] been [v-ing] on | 13 |
|
| 9 | had [adv] be [v-ing] on | 13 |
|
| 10 | had [adv] [be] [v-ing] on | 13 |
|
