| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] [adv] at | 21 |
|
| 2 | has been [vb pp] [adv] at | 16 |
|
| 3 | has been [v-ing] [adv] at | 5 |
|
| 4 | has been [adv] [verb] at | 23 |
|
| 5 | has been [adv] [vb pp] at | 23 |
|
| 6 | has been [adv] [adj] at | 15 |
|
| 7 | has been [adv] [adj] at | 14 |
|
| 8 | has been [adv] successful at | 6 |
|
| 9 | has been [adv] successful at | 6 |
|
