| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [v-ing] [prep] [noun] | 1369 |
|
| 2 | [verb] [be] [verb] [prep] month | 22 |
|
| 3 | [verb] [be] [v-ing] [prep] month | 12 |
|
