| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] so as [to-vb] | 19 |
|
| 2 | has be [vb pp] so as [to-vb] | 10 |
|
| 3 | have be [vb pp] so as [to-vb] | 5 |
|
