| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [pron] [conj] [pron] [is] | 31 |
|
| 2 | [prep] [v-ing] [pron] [conj] it [be] | 28 |
|
| 3 | [prep] [verb] [pron] [conj] it [is] | 19 |
|
| 4 | [prep] [v-ing] [pron] [conj] it [is] | 18 |
|
