| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [pron] [prep] [art] | 1347 |
|
| 2 | be [v-ing] [pers pn] [prep] [art] | 953 |
|
| 3 | be [verb] it [prep] [art] | 469 |
|
| 4 | [be] [v-ing] it [prep] [art] | 330 |
|
| 5 | be [v-ing] it [prep] [art] | 330 |
|
