| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [v-ing] [prep] [det] | 127 |
|
| 2 | had [been] [v-ing] [prep] [det] | 127 |
|
| 3 | had [been] [verb] at [det] | 34 |
|
| 4 | have [been] [v-ing] at [det] | 31 |
|
| 5 | [verb] [been] [v-ing] at [det] | 31 |
|
| 6 | had [been] [v-ing] at [adj] | 20 |
|
| 7 | [vb past] [been] [v-ing] at [det] | 8 |
|
| 8 | had [be] [v-ing] at [det] | 7 |
|
| 9 | had [been] [v-ing] at [det] | 7 |
|
