| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] it for | 269 |
|
| 2 | [is] [v-ing] it [prep] | 136 |
|
| 3 | [is] [v-ing] [pron] for | 77 |
|
| 4 | [is] [verb] it for | 37 |
|
