| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [v-ing] [prep] | 173 |
|
| 2 | [conj] it is [prep] [pers pn] | 84 |
|
| 3 | it is [v-ing] [prep] [pers pn] | 21 |
|
| 4 | [conj] it is [v-ing] [pers pn] | 19 |
|
| 5 | [conj] is [v-ing] [prep] [pers pn] | 9 |
|
