| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] [v-ing] [conj] [pron] [verb] | 37 |
|
| 2 | [be] [prep] [v-ing] [conj] [pron] [verb] | 37 |
|
| 3 | [is] [prep] [v-ing] [conj] [pron] [verb] | 22 |
|
| 4 | is [prep] [verb] [conj] [pron] [verb] | 20 |
|
