| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb base] been [v-ing] | 2165 |
|
| 2 | [Wh det] i [vb base] been | 153 |
|
| 3 | [Wh det] [vb base] been [v-ing] | 45 |
|
| 4 | [Wh det] i [vb base] [v-ing] | 42 |
|
