| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [adv] been [prep] | 455 |
|
| 2 | has [adv] been [prep] | 306 |
|
| 3 | have often been [prep] | 16 |
|
| 4 | [verb] often been [prep] | 16 |
|
| 5 | has often be [prep] | 6 |
|
| 6 | has often [be] [prep] | 6 |
|
| 7 | has often been [prep] | 6 |
|
| 8 | [vb -s] often been [prep] | 6 |
|
| 9 | has often [been] [prep] | 6 |
|
| 10 | has often been [prep] | 6 |
|
