| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pron] [is] [prep] | 2906 |
|
| 2 | [subord] [ex0] [be] [prep] | 443 |
|
| 3 | [conj] [ex0] [is] [prep] | 399 |
|
| 4 | [subord] [ex0] [is] [prep] | 232 |
|
