| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i 've been [verb] on | 37 |
|
| 2 | i 've be [v-ing] on | 33 |
|
| 3 | i 've be work on | 16 |
|
| 4 | i 've be working on | 16 |
|
| 5 | i 've be concentrating on | 6 |
|
| 6 | i 've be concentrate on | 6 |
|
