| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] [to-vb] | 12052 |
|
| 2 | [is] thus [vb pp] | 225 |
|
| 3 | thus [vb pp] [to-vb] | 100 |
|
| 4 | [is] thus [to-vb] | 13 |
|
