| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] it [be] | 4438 |
|
| 2 | [prep] it [be] | 4434 |
|
| 3 | about [pron] [be] | 1213 |
|
| 4 | about it [be] | 289 |
|
