| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it [is] [adj] [verb] | 1181 |
|
| 2 | [v-ing] it [is] [adj] [verb] | 41 |
|
| 3 | [v-ing] [subord] it [is] [adj] | 36 |
|
| 4 | [v-ing] [subord] it [is] [verb] | 29 |
|
