| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] 've been [v-ing] on | 61 |
|
| 2 | i 've been [v-ing] on | 33 |
|
| 3 | [pers pn] 've been working on | 29 |
|
| 4 | we 've been [v-ing] on | 17 |
|
| 5 | they 've been [v-ing] on | 9 |
|
| 6 | [pers pn] 've been concentrating on | 7 |
|
