| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] have often been | 135 |
|
| 2 | [noun] has often been | 133 |
|
| 3 | [noun] have often been | 108 |
|
| 4 | [noun pl] have often been | 99 |
|
| 5 | [noun prp] have often been | 23 |
|
| 6 | [noun] had often been | 19 |
|
| 7 | government have often been | 6 |
|
