| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [conj] [pron] [verb] | 1227 |
|
| 2 | be [verb] [conj] it [verb] | 622 |
|
| 3 | [be] [v-ing] [conj] it [verb] | 75 |
|
