| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [prep] [noun sg] | 208 |
|
| 2 | is [adv] [v-ing] [prep] [noun sg] | 193 |
|
| 3 | it is [adv] [v-ing] [prep] | 146 |
|
| 4 | it is [v-ing] [prep] [noun sg] | 57 |
|
| 5 | it is [adv] [v-ing] [noun sg] | 22 |
|
