| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb past] been [v-ing] [prep] [adj] | 17 |
|
| 2 | [Wh det] had [been] [v-ing] [prep] [adj] | 17 |
|
| 3 | which [vb past] [been] [v-ing] [prep] [adj] | 17 |
|
| 4 | [Wh det] [vb past] [been] [v-ing] [prep] [num] | 8 |
|
| 5 | [Wh det] [vb past] [been] [v-ing] for [adj] | 6 |
|
| 6 | [Wh det] [vb past] [been] [v-ing] [prep] [det] | 5 |
|
