| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] it [is] | 850 |
|
| 2 | [noun sg] it [is] [v-ing] | 342 |
|
| 3 | [noun sg] [prep] it [v-ing] | 168 |
|
| 4 | [prep] it [is] [v-ing] | 67 |
|
| 5 | [noun sg] [prep] [is] [v-ing] | 5 |
|
