| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] 's [been] [v-ing] | 906 |
|
| 2 | [Wh det] 's [been] [v-ing] | 83 |
|
| 3 | [Wh det] [pron] 's [been] | 64 |
|
| 4 | [Wh det] [pron] [been] [v-ing] | 24 |
|
