| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [v-ing] | 6932 |
|
| 2 | i [vb past] been | 1880 |
|
| 3 | i [vb past] [v-ing] | 1575 |
|
| 4 | i been [v-ing] | 33 |
|
