| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [pers pn] [v-ing] [prep] | 395 |
|
| 2 | [be] [pers pn] [v-ing] for | 370 |
|
| 3 | [is] [pers pn] [verb] for | 37 |
|
| 4 | [is] [pron] [v-ing] for | 24 |
|
