| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [conj] it [is] [adj] | 1899 |
|
| 2 | [v-ing] [conj] [pron] [is] [adj] | 271 |
|
| 3 | [v-ing] [conj] it [be] [adj] | 269 |
|
