| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] be [v-ing] | 129252 |
|
| 2 | be [v-ing] [prep] | 71140 |
|
| 3 | [pers pn] be [prep] | 55287 |
|
| 4 | [pers pn] [v-ing] [prep] | 5832 |
|
