| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] for [pron] | 1997 |
|
| 2 | be [v-ing] [prep] i | 876 |
|
| 3 | be [verb] for i | 221 |
|
| 4 | [be] [v-ing] for i | 150 |
|
