| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i 've been [v-ing] at | 32 |
|
| 2 | i [vb base] been looking at | 29 |
|
| 3 | i have been [v-ing] at | 13 |
|
| 4 | i [vb base] been working at | 5 |
|
