| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [prep] | 23929 |
|
| 2 | it be [prep] | 23929 |
|
| 3 | [pron] be about | 1577 |
|
| 4 | it [be] about | 989 |
|
| 5 | it be about | 989 |
|
