| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] [be] [v-ing] [det] | 515 |
|
| 2 | it [verb] [be] [verb] [det] | 97 |
|
| 3 | it [verb] [be] [v-ing] [adj] | 32 |
|
