| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [is] [adj] [to-vb] [subord] | 279 |
|
| 2 | [pron] [is] often [adj] [to-vb] | 204 |
|
| 3 | [is] often [adj] [to-vb] [subord] | 8 |
|
| 4 | [pron] [is] often [adj] [subord] | 6 |
|
