| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] it be [v-ing] for | 7 |
|
| 2 | [vb base] it [be] [v-ing] for | 7 |
|
| 3 | [vb base] it [is] [v-ing] for | 6 |
|
| 4 | [vb base] it 's [v-ing] for | 5 |
|
