| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] be so often [verb] | 6 |
|
| 2 | [noun pl] [be] so often [vb pp] | 5 |
|
| 3 | [noun pl] are so often [verb] | 5 |
|
| 4 | [noun pl] [am/are] so often [verb] | 5 |
|
