| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [conj] it [verb] | 107 |
|
| 2 | is [v-ing] [conj] [pron] [verb] | 91 |
|
| 3 | be [v-ing] [conj] it [verb] | 75 |
|
| 4 | [be] [v-ing] [conj] it [verb] | 75 |
|
| 5 | [is] [v-ing] [conj] it [verb] | 15 |
|
