| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [prep] [v-ing] | 318 |
|
| 2 | [coord] it is [adv] [prep] | 213 |
|
| 3 | [coord] it is [prep] [v-ing] | 125 |
|
| 4 | [coord] it is [adv] [v-ing] | 68 |
|
| 5 | [coord] is [adv] [prep] [v-ing] | 12 |
|
