| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] been [verb] [prep] a | 702 |
|
| 2 | have often been [verb] [prep] [art] | 62 |
|
| 3 | have often been [verb] [prep] [art] | 62 |
|
| 4 | have often been [verb] [prep] a | 25 |
|
| 5 | have often be [verb] [prep] a | 18 |
|
| 6 | have often [been] [verb] [prep] a | 18 |
|
| 7 | have often [be] [verb] [prep] a | 18 |
|
| 8 | [verb] often been [verb] [prep] a | 18 |
|
