| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [v-ing] | 7817 |
|
| 2 | [pers pn] [prep] [v-ing] | 5957 |
|
| 3 | [pers pn] [prep] be | 4969 |
|
| 4 | [pers pn] be [v-ing] | 463 |
|
