| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it is [verb] | 529 |
|
| 2 | [verb] it is [v-ing] | 226 |
|
| 3 | [verb] it [be] working | 34 |
|
| 4 | [verb] it be working | 34 |
|
| 5 | [verb] it [is] working | 29 |
|
| 6 | [verb] [pron] is working | 20 |
|
| 7 | [verb] [pers pn] is working | 19 |
|
| 8 | [verb] it is work | 16 |
|
| 9 | [verb] it is working | 16 |
|
