| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've been [v-ing] [prep] a | 50 |
|
| 2 | 've been [v-ing] [prep] a | 47 |
|
| 3 | 've been [v-ing] for a | 19 |
|
| 4 | 've been [v-ing] for a | 19 |
|
| 5 | 've been working [prep] a | 7 |
|
| 6 | 've been [v-ing] like a | 6 |
|
| 7 | 've been [v-ing] like a | 6 |
|
| 8 | 've been [v-ing] on a | 5 |
|
| 9 | 've been [v-ing] in a | 5 |
|
| 10 | 've been [v-ing] in a | 5 |
|
| 11 | 've been [v-ing] on a | 5 |
|
