| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [verb] in a | 776 |
|
| 2 | [v-ing] [been] [verb] [prep] a | 83 |
|
| 3 | [v-ing] [been] [verb] [prep] a | 83 |
|
| 4 | [v-ing] [been] [verb] in [art] | 56 |
|
| 5 | [v-ing] [been] [verb] in [art] | 56 |
|
| 6 | [v-ing] [be] [verb] in a | 13 |
|
| 7 | [v-ing] [been] [verb] in a | 11 |
|
| 8 | [v-ing] [been] [verb] in a | 9 |
|
